T/F, the two monolayers have different lipid and protein composition
Answer: Tr...
T/F, the two monolayers have different lipid and protein composition
T/F, Membranes are symmetric, homogeneous structures
T/F, Membranes are symmetric, homogeneous structures
Answer: False; Membranes are asymmetric, heterogeneous structures...
Which terminal are Glycosyl Phosphatidylinositol proteins always bound to?
Which terminal are Glycosyl Phosphatidylinositol proteins always bound to?
Answer: C-termina...
Which type of lipid anchored protein is the most elaborate?
Which type of lipid anchored protein is the most elaborate?
Answer: Glycosyl Phosphatidylinosito...
T/F Thioester and Acyl anchors have a broader range of lipids and proteins to bind to
T/F Thioester and Acyl anchors have a broader range of lipids and proteins to bind to
Answer: Tru...
Name the the lipid anchor specifics for Amide-Linked Myristoyl
Name the the lipid anchor specifics for Amide-Linked Myristoyl
Answer:
The lipid anchor is always myristic acid
It is always N-terminal
It is always...
What does it mean for the lipids and proteins of the membrane to exhibit transverse symmetry?
What does it mean for the lipids and proteins of the membrane to exhibit transverse symmetry?
Answer: The extracellular and cytoplasmic ends...
What does it mean for the lipids and proteins of the membrane to exhibit lateral heterogeneity?
What does it mean for the lipids and proteins of the membrane to exhibit lateral heterogeneity?
Answer: Clusters of lipids/proteins can occur...
T/F, Lipid-anchored membrane proteins can be both covalently linked and reversibly bound
T/F, Lipid-anchored membrane proteins can be both covalently linked and reversibly bound
Answer: Tru...
Define Lipid-Anchored Membrane Proteins:
Define Lipid-Anchored Membrane Proteins:
Answer: Proteins covalently linked to lipids embedded in the membran...
Name 4 types of lipid-anchored membrane proteins:
Name 4 types of lipid-anchored membrane proteins:
Answer: Amide Linked Myristoyl, Thioester linked fatty acid, Thioether linked prenyl, and glycosyl...
Describe the inside and outside of Wza's structure
Describe the inside and outside of Wza's structure
Answer: The outside has a nonpolar surface to contact the interior of the lipid bilayer, and...
Describe the structure of Wza:
Describe the structure of Wza:
Answer: Octameric alpha-helical barrel structure traverses the membrane to create an amphiphilic pore...
T/F Alpha helices cannot form transmembrane "barrels"
T/F Alpha helices cannot form transmembrane "barrels"
Answer: False, alpha helices can form transmembrane barrel structure...
Why are beta sheets so commonly found in transmembrane proteins?
Why are beta sheets so commonly found in transmembrane proteins?
Answer: They only require 9-11 residues to traverse the lipid bilayer (as opposed...
Where are porins found?
Where are porins found?
Answer: In G- bacteria and the mitochondrial outer membran...
Define Porins:
Define Porins:
Answer: Pore-forming proteins (30-50 kD) embedded in the membrane...
Name 5 other structural changes that can occur in a transmembrane protein:
Name 5 other structural changes that can occur in a transmembrane protein:
Answer: Tilted helices, Reentrant loops, Regions of non helical peptide,...
Explain the significance of the "Positive Inside" rule:
Explain the significance of the "Positive Inside" rule:
Answer: Positively charged residues are usually located on the cytoplasmic face of the...
Which type of amino acids are commonly found in the lipid tail interior of the lipid bilayer?
Which type of amino acids are commonly found in the lipid tail interior of the lipid bilayer?
Answer: Hydrophobi...
Which specific protein residues are most commonly found at the interface between the lipid and water?
Which specific protein residues are most commonly found at the interface between the lipid and water?
Answer: Trp, His, Ty...
Where are charged and polar residues of a protein found in relation to the cell membrane?
Where are charged and polar residues of a protein found in relation to the cell membrane?
Answer: Charged and polar residues of a protein are...
Define Hydropathy Index:
Define Hydropathy Index:
Answer: An average of the hydrophobicities for each segment of the protei...
On a hydropathy plot, which sign indicates hydrophobic (transmembrane) segments?
On a hydropathy plot, which sign indicates hydrophobic (transmembrane) segments?
Answer: Positive sign indicates hydrophobic (transmembrane segments)....
What are the two quantities that protein topology is based on?
What are the two quantities that protein topology is based on?
Answer: Hydropathy plot and assignment of hydrophobicity values to each AA in...
What is the name of the light-driven proton pump found in purple patches of Halobacterium Halobium?
What is the name of the light-driven proton pump found in purple patches of Halobacterium Halobium?
Answer: Rhodopsi...
T/F, Rhodopsin is made of 7 transmembrane helical segments with short loops connecting said helices
T/F, Rhodopsin is made of 7 transmembrane helical segments with short loops connecting said helices
Answer: Tru...
Name 5 ways a peripheral protein will associate with the membrane:
Name 5 ways a peripheral protein will associate with the membrane:
Answer: May form ionic interactions, H-Bonds, amphipathic alpha helix, hydrophobic...
Which generally has more transmembrane segments, transport or membrane proteins?
Which generally has more transmembrane segments, transport or membrane proteins?
Answer: Transport proteins usually have more transmembrane segments...
How many transmembrane segments does glycophorin have?
How many transmembrane segments does glycophorin have?
Answer: ...
T/F, Peripheral membrane proteins are dissociated from the membrane by denaturation.
T/F, Peripheral membrane proteins are dissociated from the membrane by denaturation.
Answer: False. Peripheral membrane proteins are dissociated...
Define Peripheral Membrane Protein:
Define Peripheral Membrane Protein:
Answer: Protein which is weakly bound to the membrane...
What are the extracellular components of glycophorin which specify ABO/MN blood type determinants?
What are the extracellular components of glycophorin which specify ABO/MN blood type determinants?
Answer: Oligosaccharide...
T/F Glycophorin has three transmembrane segments, globular domains on both ends.
T/F Glycophorin has three transmembrane segments, globular domains on both ends.
Answer: False; Glycophorin has a single transmembrane segment...
What do most integral proteins have in common?
What do most integral proteins have in common?
Answer: The portions of the protein in contact with the non polar core of the lipid bilayer are...
Give two examples of Integral Membrane Proteins:
Give two examples of Integral Membrane Proteins:
Answer: Glycophorin and Bacteriorhodopsi...
Define "Integral Membrane Protein"
Define "Integral Membrane Protein"
Answer: Protein which is strongly embedded in the bilayer. Can only be removed from the membrane by denaturing...
Name the 3 classes of membrane proteins:
Name the 3 classes of membrane proteins:
Answer: Integral, Peripheral, and Lipid-Anchore...
Where is the most motion and greatest entropy featured in the lipid bilayer?
Where is the most motion and greatest entropy featured in the lipid bilayer?
Answer: Mid-membrane, where the lipid hydrocarbon tails are loc...
T/F Portion of the lipid chain nearest the membrane surface lies parallel to the membrane plane
T/F Portion of the lipid chain nearest the membrane surface lies parallel to the membrane plane
Answer: False; Portion of the lipid chain nearest...
Describe two tenets of the Fluid Mosaic Model:
Describe two tenets of the Fluid Mosaic Model:
Answer: Phospholipid bilayer is a fluid matrix/2D solvent. Lipids and proteins within the mosaic...
What happens to a micelle when it is placed in a nonpolar solvent?
What happens to a micelle when it is placed in a nonpolar solvent?
Answer: It will turn inside out; The polar heads will be in the center of...
Describe a lipid monolayer on the surface of a polar solvent:
Describe a lipid monolayer on the surface of a polar solvent:
Answer: Lipid molecules arrange themselves on the surface of the solvent with their...
Name the most common membrane protein:
Name the most common membrane protein:
Answer: Phosphatidylcholine (1,2-diacylglycerol with esterified carbon on C3 featuring attached choline...
T/F Membranes which carry out many enzyme catalyzed reactions and transport activities must be lipid rich
T/F Membranes which carry out many enzyme catalyzed reactions and transport activities must be lipid rich
Answer: False; Membranes which carry...
T/F Depending on the membrane, it can contain 50%-80% protein
T/F Depending on the membrane, it can contain 50%-80% protein
Answer: False; It can contain 15%-80% protei...
Give two reasons why Lipids form membranes:
Give two reasons why Lipids form membranes:
Answer: Hydrophobic effect promotes self-association of lipids in water. Water prefers polar associations,...
What are the reagents needed for Lithium Aluminum Hydride reduction of carboxylic acids? What is the overall result?
What are the reagents needed for Lithium Aluminum Hydride reduction of carboxylic acids? What is the overall result?
Answer:
1. LiAlH4, Diethyl...
Name 3 reactions of carboxylic acids presented in the chapter:
Name 3 reactions of carboxylic acids presented in the chapter:
Answer: Formation of acyl chlorides, Lithium Aluminum Hydride Reduction, Fischer...
Name three reactions given by the chapter which you can use to synthesize carboxylic acids without adding a carbon to the parent chain:
Name three reactions given by the chapter which you can use to synthesize carboxylic acids without adding a carbon to the parent chain:
Answer: Side-chain...
How do you decarboxylate malonic acid?
How do you decarboxylate malonic acid?
Answer: Heat it above its melting point. CO2 just disappears from one of the carboxylic acid groups, and...
How are lactones named?
How are lactones named?
Answer: Replace -oic with -olide, and identify its oxygenated carbon by numbe...
What are "lactones"?
What are "lactones"?
Answer: Intramolecular esters. Formed by hydoxy acids (compounds containing both a hydroxyl and a carboxylic acid funct...
What is the skeleton reaction of acid-catalyzed esterification?
What is the skeleton reaction of acid-catalyzed esterification?
Answer: Carboxylic acid plus alcohol goes to ester plus wate...
What are the products when carboxylic acid is reacted with 1. LiAlH4, diethyl ether 2, H2O?
What are the products when carboxylic acid is reacted with 1. LiAlH4, diethyl ether 2, H2O?
Answer: Primary alcoho...
What is(are) the products when carboxylic acid is reacted with thionyl chloride?
What is(are) the products when carboxylic acid is reacted with thionyl chloride?
Answer: Acyl chloride, Sulfur dioxide, and hydrogen chlorid...
When acid-catalyzed esterification is carried out, where does the hydroxyl oxygen come from?
When acid-catalyzed esterification is carried out, where does the hydroxyl oxygen come from?
Answer: The alcoho...
Given an alkyl chloride, how would you carboxylate it and add to the chain by one? (cyanide method)
Given an alkyl chloride, how would you carboxylate it and add to the chain by one? (cyanide method)
Answer: 1. NaCN, DMSO 2. H2O, H2SO4, hea...
Given an alkyl chloride, what are the three reagents (in order) needed to carboxylate the compound while adding another carbon to the chain? (carbon dioxide method)
Given an alkyl chloride, what are the three reagents (in order) needed to carboxylate the compound while adding another carbon to the chain? (carbon...
Name two ways to prepare carboxylic acids while extending the parent chain by a carbon:
Name two ways to prepare carboxylic acids while extending the parent chain by a carbon:
Answer: Carboxylation of Grignard reagents; Preparation...
How do you oxidize aldehydes?
How do you oxidize aldehydes?
Answer: KMnO4 or chromic aci...
How do you oxidize a primary alcohol?
How do you oxidize a primary alcohol?
Answer: KMnO4 or chromic acid (K2Cr2O...
How do you convert a primary or secondary alkyl side chain on an aromatic ring to a carboxyl group?
How do you convert a primary or secondary alkyl side chain on an aromatic ring to a carboxyl group?
Answer: Reaction with KMnO4 or Chromic a...
What is the reaction most used for the commercial production of acetic acid?
What is the reaction most used for the commercial production of acetic acid?
Answer: Methanol + Carbon dioxide -> Acetic aci...
How does bicarbonate compare in acidity to carboxylic acids, water, and alcohol?
How does bicarbonate compare in acidity to carboxylic acids, water, and alcohol?
Answer: Bicarbonate is a weaker acid than carboxylic acid, but...
What happens when an amphiphilic substance is placed in water?
What happens when an amphiphilic substance is placed in water?
Answer: It forms a colloidal dispersion of micelles (aggregates with the carboxylate...
What is the definition of an amphiphilic substance?
What is the definition of an amphiphilic substance?
Answer: Amphiphilic substances have both hydrophilic and lipophilic groups within the...
Which parts of sodium stearate are hydrophilic, and which parts are lipophilic?
Which parts of sodium stearate are hydrophilic, and which parts are lipophilic?
Answer: The carboxylate group is hydrophilic, The hydrocarbon...
How do you name the carboxylic acid salts?
How do you name the carboxylic acid salts?
Answer: Specify the metal ion. Add the name of the acid modified by turning the -ic suffix into -...
What happens to carboxylic acids in the presence of strong bases such as NaOH?
What happens to carboxylic acids in the presence of strong bases such as NaOH?
Answer: Carboxylic acids are neutralized quickly to their carboxylate...
In substituted benzoic acids, the largest effects on acidity occur when the electron-withdrawing substituents are in which location?
In substituted benzoic acids, the largest effects on acidity occur when the electron-withdrawing substituents are in which location?
Answer: ...
Does carbon become more or less electron-withdrawing as its s-character increases?
Does carbon become more or less electron-withdrawing as its s-character increases?
Answer: Carbon becomes more electron-withdrawing as its s-character...
Which is a stronger acid, acetic acid or benzoic acid?
Which is a stronger acid, acetic acid or benzoic acid?
Answer: Benzoic acid; Its carboxyl group is attached to an sp2-hybridized carbon and therefore...
Define the "field effect":
Define the "field effect":
Answer: An electronegative substituent makes its presence known by polarizing the solvent...
What does the effect of an electronegative substituent have on an ionizable hydrogen?
What does the effect of an electronegative substituent have on an ionizable hydrogen?
Answer: Increases the hydrogen's acidity by stabilizing...
What is the Henderson-Hasselbalch equation, and how does it relate to our study of carboxylic acids?
What is the Henderson-Hasselbalch equation, and how does it relate to our study of carboxylic acids?
Answer: pH=pKa + log[conjugate base]/[conjugate...
Why are carboxylic acids so much more acidic than their alcohol analogs?
Why are carboxylic acids so much more acidic than their alcohol analogs?
Answer:
1. The carbonyl group is electron-withdrawing. It stabilizes the...
True or false, carboxylic acids are the most acidic class of compounds that contain only carbon, hydrogen, and oxygen.
True or false, carboxylic acids are the most acidic class of compounds that contain only carbon, hydrogen, and oxygen.
Answer: Tru...
True or false, carboxylic acids are much stronger acids than water and alcohols.
True or false, carboxylic acids are much stronger acids than water and alcohols.
Answer: Tr...
Describe the hydrogen bonding unique between carboxylic acids:
Describe the hydrogen bonding unique between carboxylic acids:
Answer: Hydrogen of Carboxylic A's Hydroxyl attaches to Carboxylic B's Carbonyl....
In formic acid, which is the most electron-rich site, and which is the most electron-poor site?
In formic acid, which is the most electron-rich site, and which is the most electron-poor site?
Answer: Carbonyl oxygen is the most electron-rich,...
What are the IUPAC names for the dicarboxylic acids?
What are the IUPAC names for the dicarboxylic acids?
Answer: Ethanedioic, Propanedioic, Butanedioic, Pentanedioic, Hexanedioic, Heptanedioic,...
What are the common names for the dicarboxylic acids?
What are the common names for the dicarboxylic acids?
Answer: Oxalic, Malonic, Succinic, Glutaric, Adipic, Pimelic, Subaric, Azelaic, Sebaci...
What are the IUPAC names for the carboxylic acids, in order?
What are the IUPAC names for the carboxylic acids, in order?
Answer: Methanoic, Ethanoic, Propanoic, Butanoic, Pentanoic, Hexanoic, Octanoic,...
What are the common names for the carboxylic acids, in order of increasing number of carbons?
What are the common names for the carboxylic acids, in order of increasing number of carbons?
Answer: Formic, Acetic, Pyruvic, Butyric, Valeric,...
Which of the following will react with Br2 but not with I2?
Which of the following will react with Br2 but not with I2?
A OH−
B SO32−
C Fe2+
D Mn2+
Answer: C Fe...
Which of the following statements regarding a chemical reaction at equilibrium is always correct?
Which of the following statements regarding a chemical reaction at equilibrium is always correct?
A The rates of the forward and reverse reactions...
Which of the following is an isomer of 2,2-dimethylpentan-1-ol?
Which of the following is an isomer of 2,2-dimethylpentan-1-ol?
A CH3CH2CH2CH(CH3)CH2OH
B (CH3)3CCH(CH3)CH2OH
C CH3CH2CH2CH2CH2CH2CH2CH2OH
D...
Which line in the table correctly describes the reaction of a ketone with bromine solution and with acidified potassium dichromate solution?
Which line in the table correctly describes the reaction of a ketone with bromine solution and with acidified potassium dichromate solution?
Br...
Which of the following statements is correct for ketones?
Which of the following statements is correct for ketones?
A They are formed by oxidation of tertiary alcohols.
B They contain a carboxyl group.
C...
Which of the reaction responsible for browning of a cut fruit?
Which of the reaction responsible for browning of a cut fruit?
Answer: Oxidatio...
When an oil is hydrolysed, what molecule is always produced?
When an oil is hydrolysed, what molecule is always produced?
Answer: Glycerol (C3 H5 OH3...
Oils contain carbon to carbon double bonds which can undergo addition reactions with iodine. The iodine number of an oil is the mass of iodine in grams that will react with 100 g of oil. Which line in the table shows the oil that is likely to have the lowest melting point?
Oils contain carbon to carbon double bonds which can undergo addition reactions with iodine. The iodine number of an oil is the mass of iodine in grams...
Which of the following mixtures will form when NaOH(aq) is added to a mixture of propanol and ethanoic acid?
Which of the following mixtures will form when NaOH(aq) is added to a mixture of propanol and ethanoic acid?
A Propanol and sodium ethanoate
B...
Oil molecules are more likely to react with oxygen in the air than fat molecules. During the reaction the oil molecules
Oil molecules are more likely to react with oxygen in the air than fat molecules. During the reaction the oil molecules
A are reduced
B become...
Which of the following is not an example of a van der Waals' force?
Which of the following is not an example of a van der Waals' force?
A Covalent bond
B Hydrogen bond
C London dispersion force
D Permanent dipole...
Which of the following atoms has least attraction for bonding electrons?
Which of the following atoms has least attraction for bonding electrons?
A Carbon
B Nitrogen
C Phosphorus
D Silicon
Answer: D Silico...
Which of the following equations represents the first ionisation energy of fluorine?
Which of the following equations represents the first ionisation energy of fluorine?
A F −(g) → F(g) + e−
B F −(g) → 1/2 F2(g) + e−
C F(g) →...
The elements nitrogen, oxygen, fluorine and neon
The elements nitrogen, oxygen, fluorine and neon
A can form negative ions
B are made up of diatomic molecules
C have single bonds between the...
Between which two elements is the difference in metallic character the greatest?
Between which two elements is the difference in metallic character the greatest?
A) Rb and O
B) O and I
C) Rb and I
D) Li and O
E) Li and R...
The list that correctly indicates the order of metallic character is __________.
The list that correctly indicates the order of metallic character is __________.
A) B > N > C
B) F > Cl > S
C) Si > P > S
D) P >...
Of the elements below, __________ is the most metallic.
Of the elements below, __________ is the most metallic.
A) Na
B) Mg
C) Al
D) K
E) Ar
Answer: ...
Which of the following correctly represents the second ionization of calcium? [*]
Which of the following correctly represents the second ionization of calcium? [*]
A) Ca(g) à Ca+ (g) + e-
B) Ca+(g) à Ca2+ (g) + e-
C) Ca-(g)...
Which equation correctly represents the first ionization of Barium? [*]
Which equation correctly represents the first ionization of Barium? [*]
A) Ba(g) à Ba+ (g) + e-
B) Ba(g) à Ba- (g) + e-
C) Ba(g) + e- à Ba-...
Which of the following correctly represents the second ionization of phosphorus?
Which of the following correctly represents the second ionization of phosphorus?
A) P+(g) + e-à P2+ (g)
B) P(g) à P+ (g) + e-
C) P-(g) + e-à...
Which equation correctly represents the first ionization of phosphorus?
Which equation correctly represents the first ionization of phosphorus?
A) P(g) +e- à P-(g)
B) P(g) à P-(g)+ e-
C) P(g) à P+(g) + e-
D) P-(g)...
Which of the following correctly represents the second ionization of aluminum? [*]
Which of the following correctly represents the second ionization of aluminum? [*]
A) Al+ (g) + e- à Al(g)
B) Al (g) à Al+(g) +e-
C) Al+ (g)...
Which equation correctly represents the first ionization of aluminum? [*]
Which equation correctly represents the first ionization of aluminum? [*]
A) Al- (g) à Al(g) +e-
B) Al (g) à Al-(g) +e-
C) Al (g) + e-à Al-(g)
D)...
________ have the lowest first ionization energies of the groups listed.
________ have the lowest first ionization energies of the groups listed.
A) Alkali metals
B) Transition metals
C) Halogens
D) Alkaline Earth...
Of the elements below, __________ has the largest first ionization energy.
Of the elements below, __________ has the largest first ionization energy.
A) Li
B) K
C) Na
D) H
E) Rb
Answer: ...
Of the following elements, which has the largest first ionization energy?
Of the following elements, which has the largest first ionization energy?
A) B
B) N
C) P
D) Si
E) C
Answer: ...
Of the following elements, which has the largest first ionization energy?
Of the following elements, which has the largest first ionization energy?
A) Se
B) As
C) S
D) Sb
E) Ge
Answer: ...
Of the following elements, which has the largest first ionization energy?
Of the following elements, which has the largest first ionization energy?
A) K
B) Rb
C) Sr
D) Ca
E) Ba
Answer: ...
Of the following elements, which has the largest first ionization energy?
Of the following elements, which has the largest first ionization energy?
A) Na
B) Al
C) Se
D) Cl
E) Br
Answer: ...
Of the following atoms, which has the largest first ionization energy?
Of the following atoms, which has the largest first ionization energy?
A) Br
B) O
C) C
D) P
E) I
Answer: ...
Of the choices below, which gives the order for first ionization energies?
Of the choices below, which gives the order for first ionization energies?
A) Cl > S > Al > Ar > Si
B) Ar > Cl > S > Si...
The first ionization energies of the elements __________ as you go from left to right across a period of the periodic table, and __________ as you go from the bottom to the top of a group in the table.
The first ionization energies of the elements __________ as you go from left to right across a period of the periodic table, and __________ as you go...
In general, as you go across a period in the periodic table from left to right:
In general, as you go across a period in the periodic table from left to right:
(1) the atomic radius __________;
(2) the electronegativity __________;...
Which of the elements below has the largest electronegativity?
Which of the elements below has the largest electronegativity?
A) Si
B) Mg
C) P
D) S
E) Na
Answer: ...
Of the atoms below, __________ is the least electronegative.
Of the atoms below, __________ is the least electronegative.
A) Rb
B) F
C) Si
D) Cl
E) Ca
Answer: ...
Of the atoms below, __________ is the most electronegative.
Of the atoms below, __________ is the most electronegative.
A) Si
B) Cl
C) Rb
D) Ca
E) S
Answer: ...
Of the atoms below, __________ is the most electronegative.
Of the atoms below, __________ is the most electronegative.
A) Br
B) O
C) Cl
D) N
E) F
Answer: ...
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
Electronegativity __________ from left to right within a period and __________ from top to bottom within a group.
A) decreases, increases
B)...
The ability of an atom in a molecule to attract electrons is best quantified by the __________.
The ability of an atom in a molecule to attract electrons is best quantified by the __________.
A) paramagnetism
B) diamagnetism
C) electronegativity
D)...
________ is isoelectronic with argon and __________ is isoelectronic with neon.
________ is isoelectronic with argon and __________ is isoelectronic with neon.
A) Cl - , F -
B) Cl - , Cl +
C) F +, F-
D) Ne-, Kr+
E) Ne-,...
Which isoelectronic series is correctly arranged in order of increasing radius?
Which isoelectronic series is correctly arranged in order of increasing radius?
A) K + < Ca2+ < Ar < Cl -
B) Cl - < Ar < K +...
Which of the following is an isoelectronic series? [*]
Which of the following is an isoelectronic series? [*]
A) B5-, Sr4-, As3-, Te2-
B) F -, Cl -, Br -, I -
C) S, Cl, Ar, K
D) Si2-, P2-, S2-, Cl2-
E)...
Of the following species, __________ has the largest radius.
Of the following species, __________ has the largest radius.
A) Rb +
B) Sr 2+
C) Br -
D) Kr
E) Ar
Answer: ...
Sodium is much more apt to exist as a positive ion than is chlorine. This is because __________.
Sodium is much more apt to exist as a positive ion than is chlorine. This is because __________.
A) chlorine is a gas and sodium is a solid
B)...
Chlorine is much more apt to exist as an negative ion than is sodium. This is because __________.
Chlorine is much more apt to exist as an negative ion than is sodium. This is because __________.
A) chlorine is bigger than sodium
B) chlorine...
The most common sulfur ion has a charge of __________.
The most common sulfur ion has a charge of __________.
A) 2-
B) 1-
C) 4+
D) 6+
E) Sulfur does not form ions.
Answer: ...
The ion with the smallest diameter is __________.
The ion with the smallest diameter is __________.
A) Br -
B) Cl -
C) I -
D) F -
E) O2-
Answer: ...
Which ion below has the largest radius?
Which ion below has the largest radius?
A) Cl -
B) K +
C) Br -
D) F -
E) Na +
Answer: ...
Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?
Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?
A) O < F < S < Mg < Ba
B)...
In which of the following atoms is the 3s orbital closest to the nucleus?
In which of the following atoms is the 3s orbital closest to the nucleus?
A) Br
B) Cl
C) At
D) I
E) They are the same distance in all of these...
Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?
Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)?
A) F < K < Ge < Br < Rb
B)...
In which of the following atoms is the 2s orbital closest to the nucleus?
In which of the following atoms is the 2s orbital closest to the nucleus?
A) S
B) Cl
C) P
D) Si
E) They are the same distance in all of these...
Which one of the following elements has the largest atomic radius?
Which one of the following elements has the largest atomic radius?
A) O
B) F
C) Al
D) P
E) B
Answer: ...
Which one of the following elements has the largest atomic radius?
Which one of the following elements has the largest atomic radius?
A) Se
B) As
C) S
D) Sb
E) Te
Answer: ...
Which one of the following atoms has the largest radius?
Which one of the following atoms has the largest radius?
A) I
B) Co
C) Ba
D) Sr
E) Ca
Answer: ...
Which one of the following has the smallest radius?
Which one of the following has the smallest radius?
A) Na
B) Cl
C) P
D) Br
E) K
Answer: ...
Which one of the following atoms has the largest radius?
Which one of the following atoms has the largest radius?
A) Sr
B) Ca
C) K
D) Rb
E) Na
Answer: ...
Which one of the following atoms has the largest radius?
Which one of the following atoms has the largest radius?
A) O
B) F
C) S
D) Cl
E) Ne
Answer: ...
The atomic radius of main-group elements generally increases down a group because ________.
The atomic radius of main-group elements generally increases down a group because ________.
A) effective nuclear charge increases down a group
B)...
Atomic radius generally increases as we move __________.
Atomic radius generally increases as we move __________.
A) down a group and from right to left across a period
B) up a group and from left...
Elements Z and X are compared. Element Z is larger than Element X. Based on this you could say:
Elements Z and X are compared. Element Z is larger than Element X. Based on this you could say:
A) Element Z is further to the left side of...
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