Considering the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq) What is the correct net ionic equation?

Considering the following precipitation reaction:Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)What is the correct net ionic equation? A) Pb2+ + I2-...

Considering the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq) What is the correct complete ionic equation?

Considering the following precipitation reaction:Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)What is the correct complete ionic equation? A) Pb2+...

Considering the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq) Which ion(s) would NOT be spectator ions?

Considering the following precipitation reaction:Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)Which ion(s) would NOT be spectator ions? A) Pb2+,...

Considering the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq) Which ion(s) would NOT be present in the net ionic equation?

Considering the following precipitation reaction:Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)Which ion(s) would NOT be present in the net ionic equation? A)...

Considering the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq) Which ion would NOT be present in the complete ionic equation?

Considering the following precipitation reaction:Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)Which ion would NOT be present in the complete ionic equation? A)...

Considering the following precipitation reaction: Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq) Which compound would not form ions in the complete ionic equation?

Considering the following precipitation reaction:Pb(NO3)2(aq) + 2KI(aq) ? PbI2(s) + 2KNO3(aq)Which compound would not form ions in the complete ionic...

What would be the formula of the precipitate that forms when Pb(NO3)2 (aq) and K2SO4 (aq) are mixed?

What would be the formula of the precipitate that forms when Pb(NO3)2 (aq) and K2SO4 (aq) are mixed? A) K(NO3)2 B) PbSO4 C) PbK2 D) H2O E) none of...

A precipitate is expected to be formed when an aqueous solution of sodium sulfate is added to an aqueous solution of:

A precipitate is expected to be formed when an aqueous solution of sodium sulfate is added to an aqueous solution of: A) iron(III) chloride. B) potassium...

What type of a reaction occurs when a potassium nitrate solution is mixed with a barium acetate solution?

What type of a reaction occurs when a potassium nitrate solution is mixed with a barium acetate solution? A) precipitation B) acid-base neutralization C)...

In writing the chemical equation for a precipitation reaction, what abbreviation of the physical state must appear with one of the products?

In writing the chemical equation for a precipitation reaction, what abbreviation of the physical state must appear with one of the products? A) (s) B)...

If you had an aqueous mixture that contained Ag+, K+, and Pb2+ cations, how many different solids could precipitate if a chloride solution was added?

If you had an aqueous mixture that contained Ag+, K+, and Pb2+ cations, how many different solids could precipitate if a chloride solution was added? A)...

Several grams of sodium chloride are stirred into a glass of water and are no longer visible to the eye. Which of the following statements is FALSE?

Several grams of sodium chloride are stirred into a glass of water and are no longer visible to the eye. Which of the following statements is FALSE? A)...

When solid NaCl is stirred into water, which of the following is NOT true?

When solid NaCl is stirred into water, which of the following is NOT true? A) Individual sodium and chloride ions are present. B) The solution will...

The compound sodium sulfate is soluble in water. When this compound dissolves in water, which ion listed below would be present in solution?

The compound sodium sulfate is soluble in water. When this compound dissolves in water, which ion listed below would be present in solution? A)...

All of the following compounds are soluble in water EXCEPT:

All of the following compounds are soluble in water EXCEPT: A) NaCl. B) CaCl2. C) FeCl3. D) NH4Cl. E) PbCl2. Answer: ...

Which of the following compounds is SOLUBLE?

Which of the following compounds is SOLUBLE? A) aluminum hydroxide B) aluminum sulfide C) aluminum carbonate D) aluminum sulfate E) none of the...

Which of the following compounds is SOLUBLE?

Which of the following compounds is SOLUBLE? A) copper carbonate B) calcium carbonate C) potassium carbonate D) strontium carbonate E) none of the...

Which of the following compounds is INSOLUBLE?

Which of the following compounds is INSOLUBLE? A) magnesium phosphate B) magnesium sulfate C) magnesium iodide D) magnesium nitrate E) none of the...

Which of the following compounds is INSOLUBLE?

Which of the following compounds is INSOLUBLE? A) potassium acetate B) lithium carbonate C) magnesium bromide D) aluminum sulfide E) none of the above Answer:...

An aqueous solution is:

An aqueous solution is: A) any liquid with another compound dissolved in it. B) an ionic compound with water dissolved in it. C) water with a molecular...

Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. Which equation below best describes the balanced equation for this reaction?

Sodium metal reacts with water to form aqueous sodium hydroxide and hydrogen gas. Which equation below best describes the balanced equation for this...

Which of the following equations is NOT balanced properly?

Which of the following equations is NOT balanced properly? A) 2Cr + 6HCl ? 2CrCl3 + 3H2 B) 2NaHCO3 ? Na2CO3 + CO2 + H2O C) Cr2(SO4)3 + 6KOH ? 2Cr(OH)3...

When the equation __NO2 + __H2O + __O2 ? __HNO3 is balanced, the coefficient of HNO3 is:

When the equation __NO2 + __H2O + __O2 ? __HNO3 is balanced, the coefficient of HNO3 is: A) 2 B) 3 C) 4 D) 5 E) none of the above Answer:...

When the equation __Ca3N2 + __H2O ? __Ca(OH)2 + __NH3 is balanced, the coefficient of H2O is:

When the equation __Ca3N2 + __H2O ? __Ca(OH)2 + __NH3 is balanced, the coefficient of H2O is: A) 2 B) 3 C) 6 D) 12 E) none of the above Answer:...

What are the coefficients for the following reaction when it is properly balanced? ___nitrogen monoxide + ___carbon monoxide ? ___nitrogen +___carbon dioxide

What are the coefficients for the following reaction when it is properly balanced?___nitrogen monoxide + ___carbon monoxide ? ___nitrogen +___carbon...

What are the coefficients for the following reaction when it is properly balanced? ___potassium iodide + ___lead (II) acetate ? ___lead (II) iodide +___potassium acetate

What are the coefficients for the following reaction when it is properly balanced?___potassium iodide + ___lead (II) acetate ? ___lead (II) iodide +___potassium...

What are the coefficients for the following reaction when it is properly balanced? ___nitric acid + ___sodium hydroxide ? ___sodium nitrate + ___water

What are the coefficients for the following reaction when it is properly balanced?___nitric acid + ___sodium hydroxide ? ___sodium nitrate + ___water A)...

What are the coefficients for the following reaction when it is properly balanced? ___Na3PO4 + ___Ba(NO3)2 ? ___NaNO3 + ___Ba3(PO4)2

What are the coefficients for the following reaction when it is properly balanced?___Na3PO4 + ___Ba(NO3)2 ? ___NaNO3 + ___Ba3(PO4)2 A) 2, 1, 1, 3 B)...

What are the coefficients for the following reaction when it is properly balanced? ___O2 + ___CH4 ? ___CO2 + ___H2O

What are the coefficients for the following reaction when it is properly balanced?___O2 + ___CH4 ? ___CO2 + ___H2O A) 2, 1, 3, 1 B) 2, 3, 2, 2 C)...

What are the coefficients for the following reaction when it is properly balanced? ___HCl + ___Mg ? ___MgCl2 + ___H2

What are the coefficients for the following reaction when it is properly balanced?___HCl + ___Mg ? ___MgCl2 + ___H2 A) 2, 1, 1, 1 B) 2, 1, 2, 2 C)...

When the equation, ___O2 + ___C5H12 ? ___CO2 + ___H2O is balanced, the coefficient: of O2 is:

When the equation, ___O2 + ___C5H12 ? ___CO2 + ___H2O is balanced, the coefficient: of O2 is: A) 3 B) 4 C) 5 D) 8 E) none of the above Answer:...

When the equation, ___N2 + ___H2 ? ___NH3 is balanced, the coefficient of hydrogen is:

When the equation, ___N2 + ___H2 ? ___NH3 is balanced, the coefficient of hydrogen is: A) 1 B) 2 C) 3 D) 4 E) none of the above Answer:...

Before a chemical equation can be written, one must know:

Before a chemical equation can be written, one must know: A) the atomic mass of all the elements involved. B) the molar mass of all the compounds. C)...

Which of the following statements about balancing reactions is FALSE?

Which of the following statements about balancing reactions is FALSE?  A) If there is no coefficient or subscript, a one is implied. B) When...

When water is heated, bubbles form in the water. Is this evidence of a chemical reaction? Why?

When water is heated, bubbles form in the water. Is this evidence of a chemical reaction? Why? A) No, boiling water is a physical change. B) Yes,...

Which of the following is NOT typically a sign of a chemical reaction?

Which of the following is NOT typically a sign of a chemical reaction? A) absorbing heat when chemicals are contacted with each other B) emission of...

Which of the following is NOT evidence that a chemical reaction has occurred?

Which of the following is NOT evidence that a chemical reaction has occurred? A) color change when chemicals are contacted with each other B) solid...

A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of a(n):

A reaction in which a substance reacts with oxygen, emitting heat and forming oxygen-containing compounds is an example of a(n): A) acid-base reaction. B)...

A reaction which forms a solid product is an example of a(n):

A reaction which forms a solid product is an example of a(n): A) oxidation-reduction reaction. B) combustion reaction. C) precipitation reaction. D)...

A reaction which forms a gaseous product is an example of a(n)________.

A reaction which forms a gaseous product is an example of a(n)________. A) oxidation-reduction reaction B) combustion reaction C) precipitation reaction D)...

It has been shown that the ozone molecule (O3) can be formed when a single oxygen atom (O) adds to a molecule of oxygen (O2), so this type of reaction is known as a double displacement reaction.

It has been shown that the ozone molecule (O3) can be formed when a single oxygen atom (O) adds to a molecule of oxygen (O2), so this type of reaction...

The reaction 2 KClO3 ? 2 KCl + 3 O2 would be correctly classified as a decomposition reaction.

The reaction 2 KClO3 ? 2 KCl + 3 O2 would be correctly classified as a decomposition reaction. Answer: tr...

Decomposition reactions usually require energy to initiate the reaction.

Decomposition reactions usually require energy to initiate the reaction. Answer: tr...

Combustion reactions emit heat and so can be classified as endothermic.

Combustion reactions emit heat and so can be classified as endothermic. Answer: fal...

In an oxidation-reduction reaction, if one substance loses electrons, then another substance must gain electrons.

In an oxidation-reduction reaction, if one substance loses electrons, then another substance must gain electrons. Answer: tr...

Evidence of a redox reaction is when one substance transfers protons to another substance.

Evidence of a redox reaction is when one substance transfers protons to another substance. Answer: fal...

Evidence of a redox reaction is when a substance reacts with elemental oxygen.

Evidence of a redox reaction is when a substance reacts with elemental oxygen. Answer: tr...

An oxidation-reduction reaction must involve reaction with oxygen.

An oxidation-reduction reaction must involve reaction with oxygen. Answer: fal...

The net ionic equation for the reaction of sodium hydroxide plus hydrochloric acid is Na+ + Cl- > NaCl-

The net ionic equation for the reaction of sodium hydroxide plus hydrochloric acid is Na+ + Cl- > NaCl- Answer: fal...

Carbon dioxide gas is a product when an acid reacts with a carbonate or a bicarbonate.

Carbon dioxide gas is a product when an acid reacts with a carbonate or a bicarbonate. Answer: tr...

An acid-base reaction always produces a salt plus carbon dioxide.

An acid-base reaction always produces a salt plus carbon dioxide. Answer: fal...

One of the characteristics of an acid-base reaction is that this type of reaction forms water.

One of the characteristics of an acid-base reaction is that this type of reaction forms water. Answer: tr...

Mixing HNO3 (aq) and NaHCO3 (aq) will produce carbon dioxide gas as a product.

Mixing HNO3 (aq) and NaHCO3 (aq) will produce carbon dioxide gas as a product. Answer: tr...

A spectator ion is one that does not actively participate in a chemical reaction.

A spectator ion is one that does not actively participate in a chemical reaction. Answer: tr...

A net ionic equation shows all ionic species that are present in solution.

A net ionic equation shows all ionic species that are present in solution. Answer: fal...

We remove the spectator ions from the complete ionic equation to form the net ionic equation.

We remove the spectator ions from the complete ionic equation to form the net ionic equation. Answer: tr...

A precipitate will form when you mix solutions of potassium chloride and lead nitrate.

A precipitate will form when you mix solutions of potassium chloride and lead nitrate. Answer: tr...

A precipitation reaction will occur when sodium chloride is mixed with potassium nitrate.

A precipitation reaction will occur when sodium chloride is mixed with potassium nitrate. Answer: fal...

The key to predicting a precipitation reaction is the formation of an insoluble compound from soluble compounds.

The key to predicting a precipitation reaction is the formation of an insoluble compound from soluble compounds. Answer: tr...

A precipitation reaction occurs when water is formed as a product.

A precipitation reaction occurs when water is formed as a product. Answer: fal...

Mixing two aqueous solutions will always result in formation of a precipitate.

Mixing two aqueous solutions will always result in formation of a precipitate. Answer: fal...

Precipitation reactions always occur when two aqueous solutions are mixed.

Precipitation reactions always occur when two aqueous solutions are mixed. Answer: fal...

Cl-, Br-, and I- are mostly insoluble.

Cl-, Br-, and I- are mostly insoluble. Answer: fal...

Li+, Na+, K+ and NH4+ compounds are soluble.

Li+, Na+, K+ and NH4+ compounds are soluble. Answer: tr...

When compounds containing polyatomic ions dissolve, the polyatomic ions usually dissolve as intact units.

When compounds containing polyatomic ions dissolve, the polyatomic ions usually dissolve as intact units. Answer: tr...

An insoluble compound will completely dissolve in water.

An insoluble compound will completely dissolve in water. Answer: fal...

A strong electrolyte solution contains ionic compounds that completely dissociate in water.

A strong electrolyte solution contains ionic compounds that completely dissociate in water. Answer: tr...

An aqueous solution is a homogeneous mixture of a substance with water and should be designated with the (l) abbreviation.

An aqueous solution is a homogeneous mixture of a substance with water and should be designated with the (l) abbreviation. Answer: fal...

All ionic compounds dissolve in water.

All ionic compounds dissolve in water. Answer: false ...

The following equation IS balanced: HNO3 + NaHSO3 ? NaNO3 + H2O + SO2

The following equation IS balanced: HNO3 + NaHSO3 ? NaNO3 + H2O + SO2 Answer: tr...

The following equation IS balanced: 2 C4H10O + 13 O2 ? 8 CO2 + 10 H2O

The following equation IS balanced: 2 C4H10O + 13 O2 ? 8 CO2 + 10 H2O Answer: fal...

The following reaction IS balanced: BaCl2 + H2SO4 ? 2HCl + BaSO4

The following reaction IS balanced: BaCl2 + H2SO4 ? 2HCl + BaSO4 Answer: tr...

The following equation IS balanced: CH4 + 2O2 ? CO2 + H2O

The following equation IS balanced: CH4 + 2O2 ? CO2 + H2O Answer: fal...

When balancing a chemical equation you may alter the coefficients but not the subscripts in the equation.

When balancing a chemical equation you may alter the coefficients but not the subscripts in the equation. Answer: tr...

Bubbles in water that appear during boiling show that a chemical reaction is occurring.

Bubbles in water that appear during boiling show that a chemical reaction is occurring. Answer: fal...

The formation of a new solid or gas is evidence of a chemical reaction.

The formation of a new solid or gas is evidence of a chemical reaction. Answer: tr...

The formation of a gas is evidence of a chemical reaction while the emission of light is not.

The formation of a gas is evidence of a chemical reaction while the emission of light is not. Answer: fal...

Color change is evidence that a chemical reaction has occurred.

Color change is evidence that a chemical reaction has occurred. Answer: tr...

Combustion reactions are a subcategory of oxidation-reduction reactions.

Combustion reactions are a subcategory of oxidation-reduction reactions. Answer: tr...

The reaction of baking soda and vinegar to produce carbon dioxide gas is an example of a precipitation reaction.

The reaction of baking soda and vinegar to produce carbon dioxide gas is an example of a precipitation reaction. Answer: fal...

When a molecule has four electron groups with none of them lone pairs, the molecular geometry will be:

When a molecule has four electron groups with none of them lone pairs, the molecular geometry will be: A) linear B) bent C) trigonal pyramidal D)...

How many lone electron pairs does the ClO (-1 charged) polyatomic anion have?

How many lone electron pairs does the ClO (-1 charged) polyatomic anion have? A) one B) three C) six D) two E) none of the above Answer:...

How does soap work?

How does soap work? A) Soap works by breaking grease molecules into smaller molecules that dissolve in water. B) Soap works by making water into a...

Which compound below is a polar molecule AND has a linear molecular geometry?

Which compound below is a polar molecule AND has a linear molecular geometry? A) CO B) CO2 C) CH4 D) H2O E) none of the above Answer: ...

Consider the following electronegativity values: H=2.1, Cl= 3.0, F=4.0 Which molecule below would you expect to have the more polar bond?

Consider the following electronegativity values: H=2.1, Cl= 3.0, F=4.0Which molecule below would you expect to have the more polar bond? A) H2 B)...

The electronegativity value for Mg is 1.2 and the value for O is 3.5. Based on these values, what type of bond is expected for a compound formed between Mg and O?

The electronegativity value for Mg is 1.2 and the value for O is 3.5. Based on these values, what type of bond is expected for a compound formed between...

The electronegativity value for N is 3.0 and that for O is 3.5. Based on these values, which of the following statements is True about the compound NO?

The electronegativity value for N is 3.0 and that for O is 3.5. Based on these values, which of the following statements is True about the compound...

Which of the following statements are True about the BF3 molecule?

Which of the following statements are True about the BF3 molecule? A) BF3 has a trigonal planar molecular geometry. B) BF3 violates the octet rule...

Which of the following statements about the water molecule is True?

Which of the following statements about the water molecule is True? A) A water molecule has two dipole moments and they cancel each other. B) A water...

Which of the following statements is True for the covalent molecule HCl?

Which of the following statements is True for the covalent molecule HCl? A) Chlorine is more electronegative and the shared electron pair is likely...

Which compound listed below will dissolve in carbon tetrachloride, CCl4?

Which compound listed below will dissolve in carbon tetrachloride, CCl4? A) NaCl B) CS2 C) NH3 D) all of the compounds E) none of the compounds Answer:...

Which compound listed below will dissolve in NH3?

Which compound listed below will dissolve in NH3? A) H2S B) CO2 C) O2 D) all of the compounds E) none of the compounds Answer: ...

Which compound listed below will dissolve in water?

Which compound listed below will dissolve in water? A) CCl4 B) SiO2 C) NH3 D) all of the compounds E) none of the compounds Answer: ...

Which molecule listed below is a nonpolar molecule?

Which molecule listed below is a nonpolar molecule? A) CCl4 B) CO2 C) BH3 D) all of the compounds E) none of the compounds Answer: ...

Which substance listed below is a polar molecule?

Which substance listed below is a polar molecule? A) NH4+ B) Cl2O C) SiCl4 D) all of the compounds E) none of the compounds Answer: ...

Which molecule listed below is a polar molecule?

Which molecule listed below is a polar molecule? A) NH3 B) H2O C) HCN D) all of the compounds E) none of the compounds Answer: ...

Which molecule listed below has a polar covalent bond?

Which molecule listed below has a polar covalent bond? A) NaCl B) H2O C) H2 D) all of the compounds E) none of the compounds Answer: ...

Which molecule listed below has a nonpolar covalent bond?

Which molecule listed below has a nonpolar covalent bond? A) NaCl B) H2O C) H2 D) all of the compounds E) none of the compounds Answer: ...

Which term matches the definition: The ability of an element to attract electrons within a covalent bond?

Which term matches the definition: The ability of an element to attract electrons within a covalent bond? A) coulombic attraction B) dipole moment C)...

The elements with the highest electronegativity values tend to be found in the:

The elements with the highest electronegativity values tend to be found in the: A) upper right-side of the periodic table. B) lower right-side of...

Which term matches the definition: A separation of charge within a bond?

Which term matches the definition: A separation of charge within a bond? A) coulombic attraction B) dipole moment C) pure covalent D) nonpolar covalent E)...

Which of the following has a tetrahedral electron geometry and a trigonal pyramidal molecular geometry?

Which of the following has a tetrahedral electron geometry and a trigonal pyramidal molecular geometry? A) Br2O B) GeH4 C) SO2 D) PF3 E) none of...

The electron geometry and the molecular geometry of water are, respectively:

The electron geometry and the molecular geometry of water are, respectively: A) trigonal planar, bent. B) tetrahedral, tetrahedral. C) tetrahedral,...

The electron geometry and the molecular geometry of ammonia (NH3) are, respectively:

The electron geometry and the molecular geometry of ammonia (NH3) are, respectively: A) trigonal planar, bent. B) tetrahedral, tetrahedral. C) tetrahedral,...

What is the molecular geometry of NH4+?

What is the molecular geometry of NH4+? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information Answer: ...

What is the molecular geometry of SCl2?

What is the molecular geometry of SCl2? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information Answer: ...

What is the molecular geometry of CCl4?

What is the molecular geometry of CCl4? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information Answer: ...

What is the molecular geometry of SiH4?

What is the molecular geometry of SiH4? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information Answer: ...

What is the molecular geometry of carbon dioxide, CO2?

What is the molecular geometry of carbon dioxide, CO2? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information Answer:...

Which of the following compounds would have a linear molecular geometry?

Which of the following compounds would have a linear molecular geometry? 1. N2 2. H2S 3. CO2 A) 1 and 2 only B) 1 and 3 only C) 2 and 3 only D)...

What is the molecular geometry of ozone, O3?

What is the molecular geometry of ozone, O3? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough information Answer: ...

What is the molecular geometry if you have a double bond, a single bond and 1 lone pair around the central atom?

What is the molecular geometry if you have a double bond, a single bond and 1 lone pair around the central atom? A) bent B) linear C) tetrahedral D)...

What is the molecular geometry if you have 4 single bonds around the central atom?

What is the molecular geometry if you have 4 single bonds around the central atom? A) bent B) linear C) tetrahedral D) trigonal pyramidal E) not enough...

What is the molecular geometry if you have 3 single bonds and 1 lone pair around the central atom?

What is the molecular geometry if you have 3 single bonds and 1 lone pair around the central atom? A) bent B) linear C) tetrahedral D) trigonal pyramidal E)...

What is the electron geometry if you have 3 electron groups around the center atom?

What is the electron geometry if you have 3 electron groups around the center atom? A) linear B) trigonal planar C) tetrahedral D) trigonal bipyramidal E)...

What is the electron geometry if you have 2 electron groups around the center atom?

What is the electron geometry if you have 2 electron groups around the center atom? A) linear B) trigonal planar C) tetrahedral D) trigonal bipyramidal E)...

What is the electron geometry if you have 4 electron groups around the center atom?

What is the electron geometry if you have 4 electron groups around the center atom? A) linear B) trigonal planar C) tetrahedral D) trigonal bipyramidal E)...

Which of the following is considered a single electron group?

Which of the following is considered a single electron group? A) a lone pair of electrons B) a single bond C) a double bond D) a triple bond E) all...

What is the angle between electron groups in the tetrahedral geometry?

What is the angle between electron groups in the tetrahedral geometry? A) 90° B) 109.5° C) 120° D) 180° E) not enough information Answer:...

What is the angle between electron groups in the trigonal planar electron geometry?

What is the angle between electron groups in the trigonal planar electron geometry? A) 90° B) 109.5° C) 120° D) 180° E) not enough information Answer:...

What is the angle between electron groups in the linear electron geometry?

What is the angle between electron groups in the linear electron geometry? A) 90° B) 109.5° C) 120° D) 180° E) not enough information Answer:...

Which one of the following molecules is NOT capable of having resonance structures?

Which one of the following molecules is NOT capable of having resonance structures? A) SeO2 B) H2O C) SO2 D) O3 E) none of the above Answer:...

Consider the Lewis structures for the compound SO3 and the polyatomic ions SO32- and SO42-. Which of these must exist as a set of resonance structures?

Consider the Lewis structures for the compound SO3 and the polyatomic ions SO32- and SO42-. Which of these must exist as a set of resonance structures? A)...

Which of the following compounds have resonance structures?

Which of the following compounds have resonance structures? A) CH4 B) H2O C) NH3 D) O3 E) None of the compounds have resonance structures. Answer:...

Which set shows the correct resonance structures for SeO2?

Which set shows the correct resonance structures for SeO2? A) :--: ? == B) :=-: ? : -=: C) := Se =? : O = Se-:? :-Se = O : D) =-: ? :-= E) SeO2 does...

Which symbol should be used between two structures that represent resonance structures?

Which symbol should be used between two structures that represent resonance structures? A) ? B) ? C) ? D) = E) none of the above Answer:...

Which molecule below would have a Lewis structure that is an exception to the octet rule?

Which molecule below would have a Lewis structure that is an exception to the octet rule? A) BH3 B) NO C) SI6 D) PF5 E) all of these Answer:...

The correct Lewis structure for BF3 would have exactly:

The correct Lewis structure for BF3 would have exactly: A) 1 double bond. B) 2 double bonds. C) 1 triple bond. D) no double bonds. E) none of the...

What is the correct Lewis structure for CN?

What is the correct Lewis structure for CN? A) [C-N]? B) [:-:]? C) [=:]? D) [: C = N :]? E) none of the above Answer: ...

The Lewis structure, [:-=] best represents:

The Lewis structure, [:-=] best represents: A) NO2+ B) NO2- C) NO2 D) both NO2+ and NO2- E) answers A, B, and C Answer: ...

What is the correct Lewis structure for CO2?

What is the correct Lewis structure for CO2? A) : --: B) : ==: C) : = C =: D) : = C = : E) none of the above Answer: ...

The central atom in the chlorite anion, ClO2- is surrounded by:

The central atom in the chlorite anion, ClO2- is surrounded by: A) one bonding and three unshared pairs of electrons. B) two bonding and two unshared...

The central atom in the chlorate anion, ClO3- is surrounded by:

The central atom in the chlorate anion, ClO3- is surrounded by: A) two bonding and two unshared pairs of electrons. B) one bonding and three unshared...

The total number of electrons to be counted for the Lewis structure of the PO43- polyatomic ion is:

The total number of electrons to be counted for the Lewis structure of the PO43- polyatomic ion is: A) 8. B) 26. C) 29. D) 32. E) none of the above Answer:...

How many valence electrons are in the nitrate ion?

How many valence electrons are in the nitrate ion? A) 18 B) 22 C) 23 D) 24 E) 26 Answer: ...

Which sequence below represents the proper order of increasing bond strength?

Which sequence below represents the proper order of increasing bond strength? A) single < double < triple B) double < single < triple C)...

The Lewis structure for carbon monoxide is C=O This structures shows:

The Lewis structure for carbon monoxide is C=O This structures shows: A) 4 lone pairs and 1 bonding pair. B) 4 lone pairs and 3 bonding pairs. C)...

How many bonding electrons are in the Lewis structure of carbon monoxide, CO?

How many bonding electrons are in the Lewis structure of carbon monoxide, CO? A) 2 B) 3 C) 4 D) 6 E) none of the above Answer: ...

How many bonding electrons are in the Lewis structure of N2?

How many bonding electrons are in the Lewis structure of N2? A) 2 B) 3 C) 4 D) 6 E) none of the above Answer: ...

What is the correct Lewis structure for N2?

What is the correct Lewis structure for N2? A) N-N B) :-: C) = D) : N = N : E) none of the above Answer: ...

What is the correct Lewis structure for O2?

What is the correct Lewis structure for O2? A) O-O B) :-: C) = D) : O = O : E) none of the above Answer: ...

What is the correct Lewis structure for Br2?

What is the correct Lewis structure for Br2? A) Br-Br B) : - : C) = D) : Br = Br : E) none of the above Answer: ...

What is the correct Lewis structure for water?

What is the correct Lewis structure for water? A) H-::-H B) :--: C) H==H D) H--H E) none of the above Answer: ...

When a nonmetal bonds with a nonmetal:

When a nonmetal bonds with a nonmetal: A) a molecular compound forms. B) a covalent bond is involved. C) electrons are shared. D) all of the above...

The Lewis model predicts that the formula for a compound between potassium and sulfur is:

The Lewis model predicts that the formula for a compound between potassium and sulfur is: A) KS B) K2S C) KS2 D) K3S E) none of the above Answer:...

The Lewis model predicts that the formula for a compound between barium and sulfur is:

The Lewis model predicts that the formula for a compound between barium and sulfur is: A) BaS B) Ba2S C) BaS2 D) BaS3 E) none of the above Answer:...

The Lewis model predicts that the formula for a compound between fluorine and calcium is:

The Lewis model predicts that the formula for a compound between fluorine and calcium is: A) CaF B) Ca2F C) CaF2 D) CaF3 E) none of the above Answer:...

The Lewis model predicts that the formula of a compound formed between bromine and aluminum is:

The Lewis model predicts that the formula of a compound formed between bromine and aluminum is: A) AlBr B) Al2Br C) AlBr3 D) AlBr2 E) none of the...

Which Lewis structure below correctly represents the compound formed between magnesium and sulfur?

Which Lewis structure below correctly represents the compound formed between magnesium and sulfur? A) Mg? [::]? B) Mg? [::]?2 Mg? C) [::]? Mg?2 [::]? D)...

Which Lewis structure below correctly represents KCl?

Which Lewis structure below correctly represents KCl? A) K? []? B) K? [::]? C) K :: D) :: :: E) none of the above Answer: ...

Which of the following statements about Lewis structures is False?

Which of the following statements about Lewis structures is False? A) An octet is when an atom has 8 valence electrons. B) A duet is a stable electron...

Water and oil do not mix because water molecules are nonpolar and molecules that compose oil are generally polar.

Water and oil do not mix because water molecules are nonpolar and molecules that compose oil are generally polar. Answer: Fal...

The compound H2S contains polar bonds but the molecule is nonpolar.

The compound H2S contains polar bonds but the molecule is nonpolar. Answer: Fal...

When you have 4 electron groups, the electron geometry is tetrahedral.

When you have 4 electron groups, the electron geometry is tetrahedral. Answer: Tr...

When you have 4 electron groups and none of them are lone pairs, the molecular geometry is trigonal pyramidal.

When you have 4 electron groups and none of them are lone pairs, the molecular geometry is trigonal pyramidal. Answer: Fal...

When you have 4 electron groups and 1 of them is a lone pair, the molecular geometry is bent.

When you have 4 electron groups and 1 of them is a lone pair, the molecular geometry is bent. Answer: False ...

When you have 2 electron groups and none are lone pairs, the molecular geometry is linear.

When you have 2 electron groups and none are lone pairs, the molecular geometry is linear. Answer: Tr...

The electron geometry of a molecule is never the same as its molecular geometry.

The electron geometry of a molecule is never the same as its molecular geometry. Answer: Fal...

It is important to identify lone pairs around a central atom because they do not repel other electron groups.

It is important to identify lone pairs around a central atom because they do not repel other electron groups. Answer: Fal...

The VSEPR theory predicts that the H-C-H angle in CH4 measures 120°.

The VSEPR theory predicts that the H-C-H angle in CH4 measures 120°. Answer: Fal...

The VSEPR theory predicts that the angle between the central carbon atom and the two oxygen atoms in CO2 measures 180°.

The VSEPR theory predicts that the angle between the central carbon atom and the two oxygen atoms in CO2 measures 180°. Answer: Tr...

Carbon monoxide contains resonance Lewis structures.

Carbon monoxide contains resonance Lewis structures. Answer: Fal...

Resonance structures are the best representation we can draw but do not accurately reflect the Answer: True structure.

Resonance structures are the best representation we can draw but do not accurately reflect the Answer: True structure. Answer: Tr...

Boron forms compounds that violate the octet rule.

Boron forms compounds that violate the octet rule. Answer: Tr...

The ammonium ion contains 10 valence electrons.

The ammonium ion contains 10 valence electrons. Answer: Fal...

The sulfate ion contains 28 valence electrons.

The sulfate ion contains 28 valence electrons. Answer: Fal...

When calculating the number of electrons for the Lewis structure of a polyatomic ion, you must add one electron for each negative charge and subtract one electron for each positive charge.

When calculating the number of electrons for the Lewis structure of a polyatomic ion, you must add one electron for each negative charge and subtract...

The correct Lewis structure for CO2 shows that the carbon atom has two sets of lone pair electrons.

The correct Lewis structure for CO2 shows that the carbon atom has two sets of lone pair electrons. Answer: Fal...

The correct Lewis structure for CO2 shows that the molecule contains two double bonds.

The correct Lewis structure for CO2 shows that the molecule contains two double bonds. Answer: Tr...

When calculating the number of electrons for the Lewis structure of a polyatomic ion, subtract one electron for each negative charge.

When calculating the number of electrons for the Lewis structure of a polyatomic ion, subtract one electron for each negative charge. Answer: Fal...

The triple bond present in diatomic nitrogen, N2, is what makes this molecule so reactive.

The triple bond present in diatomic nitrogen, N2, is what makes this molecule so reactive. Answer: Fal...

The double bond is shorter and stronger than a single bond.

The double bond is shorter and stronger than a single bond. Answer: Tr...

The Lewis structure for O2 contains a triple bond.

The Lewis structure for O2 contains a triple bond. Answer: False ...

The structure H=H is a proper representation of the bonding in the H2 molecule.

The structure H=H is a proper representation of the bonding in the H2 molecule. Answer: Fal...

The Lewis structure of water has two sets of lone pair electrons.

The Lewis structure of water has two sets of lone pair electrons. Answer: Tr...

Lewis theory predicts that the formula for a compound made of aluminum and phosphorus is AlP.

Lewis theory predicts that the formula for a compound made of aluminum and phosphorus is AlP. Answer: Tr...

The Lewis theory predicts that the formula for a compound made of sodium and fluorine is NaF.

The Lewis theory predicts that the formula for a compound made of sodium and fluorine is NaF. Answer: Tr...

The Lewis theory predicts that the formula for a compound of magnesium and sulfur is MgS2.

The Lewis theory predicts that the formula for a compound of magnesium and sulfur is MgS2. Answer: Fal...

Chlorine has 8 valence electrons in the Lewis structure for KCl.

Chlorine has 8 valence electrons in the Lewis structure for KCl. Answer: Tr...

The correct Lewis structure for potassium in KCl is K+.

The correct Lewis structure for potassium in KCl is K+. Answer: Tr...

A correct Lewis structure for an atom of carbon would have eight dots surrounding the symbol of the element.

A correct Lewis structure for an atom of carbon would have eight dots surrounding the symbol of the element. Answer: Fal...

Having eight valence electrons is very stable and is called an octet.

Having eight valence electrons is very stable and is called an octet. Answer: Tr...

Lewis structures only use the valence electrons in determining the bonding.

Lewis structures only use the valence electrons in determining the bonding. Answer: Tr...

The Lewis structure of oxygen should have 8 valence electrons.

The Lewis structure of oxygen should have 8 valence electrons. Answer: Fal...

A chemical bond is classified as a covalent bond if it involves the transfer of electrons.

A chemical bond is classified as a covalent bond if it involves the transfer of electrons. Answer: Fal...

Li : is the proper Lewis structure (dot structure) for lithium.

Li : is the proper Lewis structure (dot structure) for lithium. Answer: Fal...

Drugs to fight HIV have been developed using bonding theory models.

Drugs to fight HIV have been developed using bonding theory models. Answer: Tr...

Bonding theories are used to predict how atoms bond together to form molecules.

Bonding theories are used to predict how atoms bond together to form molecules. Answer: Tr...

The Heisenberg Uncertainty Principle states that

The Heisenberg Uncertainty Principle states that a. It is impossible to determine accurately both the position and momentum of an electron simultaneously. b....

Which of the following statements is not consistent with the Bohr theory?

Which of the following statements is not consistent with the Bohr theory? a. An electron may move to a lower energy orbit by emitting radiation of...

Isotopes are atoms of the same element that

Isotopes are atoms of the same element that a. have different numbers of protons b. have different number of electrons c. have different nuclear charges d....

The atomic number of an element gives the number of _____ and _____ in the atom while the mass number gives the total number of _____ and ______.

The atomic number of an element gives the number of _____ and _____ in the atom while the mass number gives the total number of _____ and ______. a....

The number of electrons in a neutral atom of an element is always equal to the _____ of the element.

The number of electrons in a neutral atom of an element is always equal to the _____ of the element. a. Avogadro's number b. atomic number c. atomic...

In the Rutherford gold foil experiment, the fact that most of the alpha particles were not deflected as they passed through the gold foil indicates that

In the Rutherford gold foil experiment, the fact that most of the alpha particles were not deflected as they passed through the gold foil indicates...

Which of these physical changes would require the addition of energy (endothermic process)?

Which of these physical changes would require the addition of energy (endothermic process)? a. boiling a liquid b. freezing a liquid c. condensing...

The same amount of heat is added to a 25-g sample of each of the following metal. If each of the metals was initially at 20.0 degrees C, which metal will reach the highest temperature?

The same amount of heat is added to a 25-g sample of each of the following metal. If each of the metals was initially at 20.0 degrees C, which metal...

Water is always 11.1% hydrogen and 88.9% oxygen by mass. This is a statement of the

Water is always 11.1% hydrogen and 88.9% oxygen by mass. This is a statement of the  a. Law of Conservation of Matter b. Law of Conservation...

Which of these physical changes would require the liberation of energy, exothermic?

Which of these physical changes would require the liberation of energy, exothermic? a. melting point b. boiling point c. condensation of steam to...

Identify which of the following properties of methane would be observed only with a change in composition

Identify which of the following properties of methane would be observed only with a change in composition a. The boiling point is -161.5degreesC b....

Dalton's Atomic Theory included all of the ideas listed below except:

Dalton's Atomic Theory included all of the ideas listed below except: a. Compounds are formed when atoms of different elements combine with one...

Iodine is most likely to form an ionic compound with ______ (circle all that apply).

Iodine is most likely to form an ionic compound with ______ (circle all that apply). a. Mg b. Cl c. Pb d. Si e. N Answer: A & ...

Chlorine is most likely to form a covalent compound with ______ (circle all that apply).

Chlorine is most likely to form a covalent compound with ______ (circle all that apply). a. O b. N c. C d. Li e. F Answer: A, B, C &...

Which pair of elements below would be least likely to form an ionic bond between them?

Which pair of elements below would be least likely to form an ionic bond between them? a. Cs / O b. C / N c. Na / S d. Al / F e. Mg / Br Answer:...

Which of the following ions is not isoelectronic with the others?

Which of the following ions is not isoelectronic with the others? a. Te2- b. Ba2+ c. I- d. Cs+ e. Sb3+ Answer:...

In which orbital below would an electron (on average) be closest to the nucleus?

In which orbital below would an electron (on average) be closest to the nucleus? a. 4s b. 2s c. 3p d. 5d e. 2p Answer:...

The number of electrons present in the p orbitals in the outermost electron shell (major energy level, n) of the halogen atom is ______.

The number of electrons present in the p orbitals in the outermost electron shell (major energy level, n) of the halogen atom is ______. a. one b....

An element that has four electrons in its outer shell in its ground state is _____.

An element that has four electrons in its outer shell in its ground state is _____. a. Nb b. S c. Zr d. Sn e. Mo Answer:...

An element has the outermost electron configuration ns2np4. The element could be______.

An element has the outermost electron configuration ns2np4. The element could be______. a. Si b. Ar c. Br d. O e. Mn Answer: ...

The number of electrons present in the outermost electron shell of the Group VA element is:

The number of electrons present in the outermost electron shell of the Group VA element is: a. four b. five c. three d. two e. one Answer:...

The number of electrons in p orbitals in the highest energy levels of the Group IV A elements is ______.

The number of electrons in p orbitals in the highest energy levels of the Group IV A elements is ______. a. three b. one c. two d. four e. six Answer:...

The number of electrons present in the s orbitals in the outermost electron shell of the alkaline earth (Group IIA) metals is _____.

The number of electrons present in the s orbitals in the outermost electron shell of the alkaline earth (Group IIA) metals is _____. a. three b....

All orbitals of a given degenerate set must be singly occupied before pairing begins in that set is a statement of _______.

All orbitals of a given degenerate set must be singly occupied before pairing begins in that set is a statement of _______. Answer: the Hund's R...

No two electrons in the same atom can have the same set of four quantum numbers is a statement of ______.

No two electrons in the same atom can have the same set of four quantum numbers is a statement of ______. Answer: the Pauli Exclusion Princip...

The principal quantum number of an orbital is n = 1. This must be a(n) _____ orbital.

The principal quantum number of an orbital is n = 1. This must be a(n) _____ orbital. Answer: ...

Which statement about the four quantum numbers is false?

Which statement about the four quantum numbers is false? a. ms= spin quantum number, ms= +/- 1/2 b. n= principal quantum number, n= 1,2,3,... c. ml=...

A(n) _____ is a region of space in which there is a high probability of finding an electron in an atom.

A(n) _____ is a region of space in which there is a high probability of finding an electron in an atom. a. major energy level b. core c. shell d....

The internuclear distance at which the attractive and repulsive forces balance in a covalent bond is called the ________.

The internuclear distance at which the attractive and repulsive forces balance in a covalent bond is called the ________. a. single bond b. bond...

What is the formula for the binary compound of gallium and chlorine?

What is the formula for the binary compound of gallium and chlorine? a. GaCl2 b. Ga3Cl2 c. Ga2Cl3 d. GaCl3 e. GaCl Answer:...

Consider the formation of one formula unit of AlF3 from neutral atoms. In the process, each aluminum atom ______ electron(s) and each fluorine atom ______ electron(s).

Consider the formation of one formula unit of AlF3 from neutral atoms. In the process, each aluminum atom ______ electron(s) and each fluorine atom...

Magnesium and nitrogen react to form Mg3N2 an ionic compound. The magnesium ion, Mg2+, has _____ electrons in its highest occupied energy level.

Magnesium and nitrogen react to form Mg3N2 an ionic compound. The magnesium ion, Mg2+, has _____ electrons in its highest occupied energy level. Answer:...

Calcium and chlorine react to form CaCl2, an ionic compound. The chloride ion, Cl-, has _____electrons in its outermost occupied shell.

Calcium and chlorine react to form CaCl2, an ionic compound. The chloride ion, Cl-, has _____electrons in its outermost occupied shell. a. 6 b. 2 c....

What is the hybridization of a carbon atom involved in a triple bond?

What is the hybridization of a carbon atom involved in a triple bond? a. sp3d b. sp3 c. sp d. sp2 e. sp3d2 Answer:...

What is the electronic geometry for 5 regions of high electron density on a central atom?

What is the electronic geometry for 5 regions of high electron density on a central atom? a. trigonal planar b. octahedral c. trigonal bipyramidal d....

The electrons in the outer shell of an atom are involved in bonding. Another name for the outer shell is _____.

The electrons in the outer shell of an atom are involved in bonding. Another name for the outer shell is _____. a. valence shell b. VSEPR shell c....

When you draw a Lewis structure for CH3OCH2CH3, what is the total number of C-C single bonds?

When you draw a Lewis structure for CH3OCH2CH3, what is the total number of C-C single bonds? a. 2 b. 1 c. 3 d. 4 e. 0 Answer:...

Draw a Lewis structure for CH3OCH2CH3. What is the total number of lone pair electrons (unshared pair electrons)?

Draw a Lewis structure for CH3OCH2CH3. What is the total number of lone pair electrons (unshared pair electrons)? a. 3 b. 1 c. 4 d. 2 e. 0 Answer:...

Which one of the following compounds contains both ionic and covalent bonding?

Which one of the following compounds contains both ionic and covalent bonding? a. MgO b. KNO3 c. HCl d. Rb3N e. CaCl2 Answer:...

Oxyacids contains at least one H+ and an oxyanion. The " nitrous " oxyacid contains the oxyanion ________.

Oxyacids contains at least one H+ and an oxyanion. The " nitrous " oxyacid contains the oxyanion ________. A) nitrite B) nitrate C) nitride D) nitric E)...

What is the formula mass of magnesium nitride?

What is the formula mass of magnesium nitride? A) 38.32 B) 90.65 C) 100.95 D) 116.33 E) none of the above Answer: ...

How many O atoms are present in sodium chlorite?

How many O atoms are present in sodium chlorite? A) 2 B) 6 C) 4 D) 1 E) none of the above Answer: ...

How many C atoms are in ammonium acetate?

How many C atoms are in ammonium acetate? A) 5 B) 2 C) 1 D) 3 E) none of the above Answer: ...

Suppose that in an ionic compound, "M" represents a metal that could form more than one type of ion. In the formula MF2 , the charge of the M ion would be:

Suppose that in an ionic compound, "M" represents a metal that could form more than one type of ion. In the formula MF2 , the charge of the M ion would...

Suppose that in an ionic compound, "M" represents a metal that could form more than one type of ion. In the formula MP , the charge of the M ion would be:

Suppose that in an ionic compound, "M" represents a metal that could form more than one type of ion. In the formula MP , the charge of the M ion would...

If the mass ratio of K to F in a compound is 2.06:1, how many grams of F are needed to react with 2.30 g of K?

If the mass ratio of K to F in a compound is 2.06:1, how many grams of F are needed to react with 2.30 g of K? A) 0.877 B) 1.12 C) 0.112 D) 8.77 E)...

What is the mass ratio of Na to S in sodium sulfide?

What is the mass ratio of Na to S in sodium sulfide? A) 7.17 B) 55.06 C) 0.717 D) 1.43 E) none of the above Answer: ...

A compound has a formula mass of 61.98 amu and is comprised of atoms of sodium and oxygen in a definite ratio. The name of the compound described here is:

A compound has a formula mass of 61.98 amu and is comprised of atoms of sodium and oxygen in a definite ratio. The name of the compound described here...

Which of the following compounds have the smallest formula mass?

Which of the following compounds have the smallest formula mass? A) CO2 B) SO2 C) NO2 D) SiO2 E) H2O Answer: ...

Which of the following has the largest formula mass?

Which of the following has the largest formula mass? A) CO2 B) SO2 C) NO2 D) SiO2 E) H2O Answer: ...

What is the formula mass of copper(II) fluoride?

What is the formula mass of copper(II) fluoride? A) 101.55 B) 146.10 C) 90.00 D) 165.10 E) none of the above Answer: ...

What is the formula mass for diboron tetrachloride?

What is the formula mass for diboron tetrachloride? A) 127.98 amu B) 198.89 amu C) 234.34 amu D) 163.43 amu E) none of the above Answer:...

What is the formula mass for potassium nitrate?

What is the formula mass for potassium nitrate? A) 92.99 amu B) 117.11 amu C) 85.11 amu D) 101.10 amu E) none of the above Answer: ...

What is the formula mass of sulfurous acid?

What is the formula mass of sulfurous acid? A) 82.08 amu B) 98.08 amu C) 83.09 amu D) 66.08 amu E) none of the above Answer: ...

A certain oxyacid is derived from the oxyanion SO32-. The formula for the oxyacid is:

A certain oxyacid is derived from the oxyanion SO32-. The formula for the oxyacid is: A) H2SO4. B) HSO3. C) H2SO3. D) H3SO3. E) none of the above Answer:...

What is the name of HNO2?

What is the name of HNO2? A) nitric acid B) nitrous acid C) hydronitrous acid D) hydronitric acid E) none of the above Answer: ...

What is the name of HIO3?

What is the name of HIO3? A) iodic acid B) hydroioidic acid C) hydroiodous acid D) iodous acid E) none of the above Answer: ...

What is the name of HI (aq)?

What is the name of HI (aq)? A) hydroiodous acid B) hydroiodic acid C) iodic acid D) iodous acid E) none of the above Answer: ...

What is the proper name for HBr (aq)?

What is the proper name for HBr (aq)? A) hydrobromous acid B) hydrousbromic acid C) hydrobromic acid D) bromous acid E) none of the above Answer:...

What is the correct formula for the molecular compound hepta phosphorus octafluoride?

What is the correct formula for the molecular compound hepta phosphorus octafluoride? A) P5F8 B) P 7F6 C) P6F7 D) P7F8 E) none of the above Answer:...

What would the formula of diiodine pentasulfide be?

What would the formula of diiodine pentasulfide be? A) I5S2 B) I2S5 C) I4S9 D) I2S7 E) none of the above Answer: ...

What is correct name of the compound whose formula is BF3?

What is correct name of the compound whose formula is BF3? A) boron trifluoride B) boron fluoride C) monoboron trifluorine D) boron(III) fluoride E)...

What is correct name of the compound whose formula is N2O4?

What is correct name of the compound whose formula is N2O4? A) nitrogen dioxide B) nitrogen tetroxide C) dinitrogen oxide D) dinitrogen tetroxide E)...

What is the name of the molecular compound SO3?

What is the name of the molecular compound SO3? A) sulfur oxide B) sulfur(IV) oxide C) sulfur trioxide D) sulfur tetraoxide E) none of the above Answer:...

What is the name of the molecular compound SF5?

What is the name of the molecular compound SF5? A) sulfur hexafluoride B) sulfur heptafluoride C) monosulfur tetrafluoride D) sulfur pentafluoride E)...

The name trisodium phosphate is incorrect for the compound Na3PO4 because:

The name trisodium phosphate is incorrect for the compound Na3PO4 because: A) this compound should be called trisodium monophosphate. B) the sodium...

Choose the pair of names and formulas that do NOT match.

Choose the pair of names and formulas that do NOT match. A) copper(I) nitrate: CuNO3 B) copper(II) nitride: Cu3N2 C) copper(II) nitrate: Cu(NO3)2 D)...

What is the correct name for the BrO4 1- ion?

What is the correct name for the BrO4 1- ion? A) hypobromite B) perbromate C) bromite D) bromate E) none of the above Answer: ...

What is the correct formula for the hypochlorite polyatomic ion?

What is the correct formula for the hypochlorite polyatomic ion? A) ClO B)ClO2- C) ClO3- D) ClO4- E) none of the above Answer: ...

The charge of a vanadium ion in the compound V2O5 is:

The charge of a vanadium ion in the compound V2O5 is: A) 5+ B) 2+ C) 10+ D) 10- E) none of the above Answer: ...

The formula for potassium chlorate is KClO3. The formula for magnesium chloride is MgCl2. What is the formula for magnesium chlorate?

The formula for potassium chlorate is KClO3. The formula for magnesium chloride is MgCl2. What is the formula for magnesium chlorate? A) MgClO3 B)...

What is the correct formula for ammonium hydrogen sulfate?

What is the correct formula for ammonium hydrogen sulfate? A) NH4HSO4 B) (NH4)2HSO4 C) (NH4)2SO4 D) Am2HSO4 E) none of the above Answer: ...

What is the correct formula for potassium dichromate?

What is the correct formula for potassium dichromate? A) K(CrO4)2 B) KCr2O7 C) K2CrO4 D) K2Cr2O7 E) none of the above Answer: ...

What is the formula for the acetate polyatomic ion?

What is the formula for the acetate polyatomic ion? A) C3H2O3- B) C2H3O22- C) C2H3O2- D) C2H3O E)none of the above Answer: ...

What is the name of the compound whose formula is Na2O?

What is the name of the compound whose formula is Na2O? A) sodium monoxide B) disodium oxide C) disodium monoxide D) sodium oxide E) none of the...

Which formula shown is incorrect for the name given?

Which formula shown is incorrect for the name given? A) strontium carbonate: SrCO3 B) ammonium cyanide: NH4CN C) potassium acetate: KC2H3O2 D) calcium...

Which formula shown is incorrect for the name given?

Which formula shown is incorrect for the name given? A) magnesium nitrite: Mg(NO2)3 B) calcium carbonate: CaCO3 C) aluminum sulfate: Al2(SO4)3 D)...

What is the name of Ca(NO3)2?

What is the name of Ca(NO3)2? A) calcium dinitrite B) calcium nitrate C) calcium nitride D) calcium nitrite E) none of the above Answer: ...

What is the name of CoS?

What is the name of CoS? A) cobalt(II) sulfide B) cobalt sulfide C) cobalt monosulfide D) cobaltous sulfur E) none of the above Answer:...

Which metal atom below cannot form a cation of several different charges?

Which metal atom below cannot form a cation of several different charges? A) Cr B) Mn C) Fe D) Ba E) none of the above Answer: ...

What is the name of the compound made from lithium and oxygen?

What is the name of the compound made from lithium and oxygen? A) lithium dioxide B) lithium(I) oxide C) oxygen lithide D) lithium oxide E) none of...

What is the name of the ionic compound made of beryllium and chlorine?

What is the name of the ionic compound made of beryllium and chlorine? A) beryllium(II) chloride B) beryllium dichloride C) beryllium chloride D)...

A student wrote the formula for the compound aluminum phosphate as AlPO4 . What is wrong with this formula?

A student wrote the formula for the compound aluminum phosphate as AlPO4 . What is wrong with this formula? A) The compound is not charge-neutral. B)...

What is the formula for an ionic compound made of aluminum and oxygen?

What is the formula for an ionic compound made of aluminum and oxygen? A) AlO2 B) Al2O3 C) Al3O2 D) AlO E) none of the above Answer: ...

The ionic compound that forms between potassium and oxygen is:

The ionic compound that forms between potassium and oxygen is: A) K2O. B) KO. C) KO2. D) K2O2. E) none of the above Answer: ...

What is the formula for an ionic compound made of carbon and oxygen?

What is the formula for an ionic compound made of carbon and oxygen? A) CO2 B) C2O C) CO D) CO3 E) Carbon and oxygen do not form an ionic compound. Answer:...

What is the formula for an ionic compound made of magnesium and sulfur?

What is the formula for an ionic compound made of magnesium and sulfur? A) MgS B) MgS2 C) Mg2S D) Mg2S3 E) none of the above Answer: ...

What is the formula for an ionic compound made of barium and nitrogen?

What is the formula for an ionic compound made of barium and nitrogen? A) Ba3N2 B) Ba2N3 C) BaN D) Ba2N4 E) none of the above Answer: ...

Which of the following is a molecular compound?

Which of the following is a molecular compound? A) barium sulfide B) calcium acetate C) potassium hydroxide D) nitrogen monoxide E) none of the above Answer:...

Which of the following species is a molecular element?

Which of the following species is a molecular element? A) neon B) sodium C) chlorine D) carbon dioxide E) none of the above Answer: ...

Ammonium fluoride is considered which of the following?

Ammonium fluoride is considered which of the following? A) atomic element B) molecular element C) molecular compound D) ionic compound E) none of...

Fluorine is considered which of the following?

Fluorine is considered which of the following? A) atomic element B) molecular element C) molecular compound D) ionic compound E) none of the above Answer:...

Carbon monoxide is considered which of the following?

Carbon monoxide is considered which of the following? A) atomic element B) molecular element C) molecular compound D) ionic compound E) none of the...

Which among the following elements does NOT exist as a diatomic molecule in nature?

Which among the following elements does NOT exist as a diatomic molecule in nature? A) hydrogen B) nitrogen C) fluorine D) neon E) none of the above Answer:...

Carbon is considered which of the following?

Carbon is considered which of the following? A) atomic element B) molecular element C) molecular compound D) ionic compound E) none of the above Answer:...

What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms?

What is the correct formula of a compound that has ten oxygen atoms and four phosphorus atoms? A) O10P4 B) 10OP4 C) 4PO10 D) P4O10 E) none of the...

What is the correct formula for a compound that has three oxygen atoms and one sulfur atom?

What is the correct formula for a compound that has three oxygen atoms and one sulfur atom? A) O3S B) SO3 C) 3OS D) SO3 E) none of the above Answer:...

How many of each type of atom are there in the formula (NH4)2HPO4?

How many of each type of atom are there in the formula (NH4)2HPO4? A) N = 2, H = 9, P = 1, O = 4 B) N = 1, H = 5, P = 1, O = 4 C) N = 2, H = 5, P...

How many of each type of atom are there in the formula Ca3(PO4)2?

How many of each type of atom are there in the formula Ca3(PO4)2? A) Ca = 3, P = 1, O = 4 B) Ca = 3, P = 2, O = 4 C) Ca = 3, P = 2, O = 8 D) Ca =...

How many of each type of atoms are there in the formula NH4C2H3O2?

How many of each type of atoms are there in the formula NH4C2H3O2? A) N = 4, H = 7, C = 2, O = 2 B) N = 1, H = 4, C = 2, O = 2 C) N = 1, H = 3, C...

Which formula shows the proper use of parentheses?

Which formula shows the proper use of parentheses? A) Ca(F)2 B) Ca(SO4) C) (NH4)3(PO4) D) Ca(NO3)2 E) none of the above Answer: ...

How many oxygen atoms are in the formula Al2(CO3)3?

How many oxygen atoms are in the formula Al2(CO3)3? A) 3 B) 9 C) 1 D) 6 E) none of the above Answer: ...

How many carbon atoms are in the formula Al2(CO3)3?

How many carbon atoms are in the formula Al2(CO3)3? A) 3 B) 9 C) 1 D) 6 E) none of the above Answer: ...

How many total atoms are in the formula Al2(CO3)3?

How many total atoms are in the formula Al2(CO3)3? A) 8 B) 9 C) 12 D) 14 E) none of the above Answer: ...

Which of the following statements about chemical formulas is false?

Which of the following statements about chemical formulas is false? A) The subscripts represent the relative number of each type of atom in the...

Suppose an unknown compound XY has an X-to-Y mass ratio of 4.0. If decomposition of compound XY gives 12.0 grams of X, then how many grams of Y must form?

Suppose an unknown compound XY has an X-to-Y mass ratio of 4.0. If decomposition of compound XY gives 12.0 grams of X, then how many grams of Y must...

What is the oxygen-to-sulfur mass ratio of sulfur dioxide?

What is the oxygen-to-sulfur mass ratio of sulfur dioxide? A) 0.5 B) 1.0 C) 2.0 D) 16 E) none of the above Answer: ...

The phosphorous-to-hydrogen mass ratio is 10.2 for a compound. This ratio could correspond to the compound:

The phosphorous-to-hydrogen mass ratio is 10.2 for a compound. This ratio could correspond to the compound: A) PH. B) PH2. C) PH3. D) PH6. E) none...