The more shared pairs in a covalent bond, the ______________ the bond.
A. Shorter
B. Longer
C. Higher
D. Lower
Answer: A
The more shared pairs in a covalent bond, the ______________ the bond.
A. Shorter
B. Longer
C. Higher
D. Lower
Answer: A
A. Shorter
B. Longer
C. Higher
D. Lower
Answer: A
The larger the atoms in a covalent bond, _____________ the bond.
The larger the atoms in a covalent bond, _____________ the bond.
A. Shorter
B. Longer
C. Higher
D. Lower
Answer: B
The stronger a covalent compound is ___________________ the bond.
The stronger a covalent compound is ___________________ the bond.
A. Shorter
B. Longer
C. Higher
D. Lower
Answer: A
The net charge on a covalent compound is ________________.
The net charge on a covalent compound is ________________.
A. Neutral
B. Negative
C. Positive
D. Cannot be determined
Answer: A
Covalent bonding occurs between atoms that ____________ to lose their valence electrons.
Covalent bonding occurs between atoms that ____________ to lose their valence electrons.
A. Don't Want
B. Are Afraid
C. Do Want
D. Try
Answer: A
Covalent bonding occurs between __________________.
Covalent bonding occurs between __________________.
A. Metalloids
B. Metals
C. Transition Elements
D. Non-Metals
Answer: D
A spectrum no break is called an ______________________ spectrum.
A spectrum no break is called an ______________________ spectrum.
A. Adsorption
B. Continuous
C. Emission
D. Quantum
Answer: B
A spectrum made up of dark lines is called an _________________ spectrum.
A spectrum made up of dark lines is called an _________________ spectrum.
A. Adsorption
B. Continuous
C. Emission
D. Quantum
Answer: A
A spectrum made up of bright lines is called an _________________ spectrum.
A spectrum made up of bright lines is called an _________________ spectrum.
A. Adsorption
B. Continuous
C. Emission
D. Quantum
Answer: C
The ________________ energy levels has 2 sublevels.
The ________________ energy levels has 2 sublevels.
A. 1st
B. 2nd
C. 3rd
D. 4th
E. 5th
F. 6th
G. 7th
Answer: B G
The first energy level to have 3 sublevels is the ____________ energy level.
The first energy level to have 3 sublevels is the ____________ energy level.
A. 1st
B. 2nd
C. 3rd
D. 4th
E. 5th
F. 6th
G. 7th
Answer: C
The first energy level to have 4 sublevels is the ____________ energy level.
The first energy level to have 4 sublevels is the ____________ energy level.
A. 1st
B. 2nd
C. 3rd
D. 4th
E. 5th
F. 6th
G. 7th
Answer: D
When a gas or vapor is _______________ with electricity, the atoms absorb _____________ - in particular the ________________ absorb the energy. This causes the ___________________ to jump to a ____________________ energy level. Being unstable at the new energy level, the __________________ will ___________________ energy in the form of _________________ as they travel back to their original energy level.
When a gas or vapor is _______________ with electricity, the atoms absorb _____________ - in particular the ________________ absorb the energy. This causes the ___________________ to jump to a ____________________ energy level. Being unstable at the new energy level, the __________________ will ___________________ energy in the form of _________________ as they travel back to their original energy level.
A. Proton
B. Electron
C. Neutron
D. Higher
F. Lower
G. Light
H. Dark
I. Gain
J. Release
K. Heated
L. Cooled
M. Stable
N. Unstable
O. Energy
Answer: K O B B D B J G
When an electron drops from a higher energy level, it gives off energy in the form of light- not all light is given off in visible range. Light that contains less energy than the visible spectrum is called _________________ light. Light that contains more energy than the visible spectrum is called _____________.
When an electron drops from a higher energy level, it gives off energy in the form of light- not all light is given off in visible range. Light that contains less energy than the visible spectrum is called _________________ light. Light that contains more energy than the visible spectrum is called _____________.
A. Microwaves
B. Infrared
C. Visible
D. Ultraviolet
E. X-Ray
Answer: B D
When light travels thru a prism, the ___________________ wavelengths are bent more.
When light travels thru a prism, the ___________________ wavelengths are bent more.
A. Medium
B. Longer
C. Shorter
D. Colorful
Answer: C
The dual nature of light means that it can behave as a __________________ and as a ________________.
The dual nature of light means that it can behave as a __________________ and as a ________________.
A. Particle
B. Wave
C. Tunnel
D. Electron
Answer: A B
_______ discovered that white light is composed of all colors.
_______ discovered that white light is composed of all colors.
A. deBroglie
B. Newton
C. Heisenberg
D. Planck
Answer: B
Every element has a unique spectrum because the distance between the _______________ is different for every element.
Every element has a unique spectrum because the distance between the _______________ is different for every element.
A. Electrons
B. Distance
C. Energy Levels
D. Protons
Answer: C
The longer the wavelength, the ______________ the frequency and the __________________ the energy.
The longer the wavelength, the ______________ the frequency and the __________________ the energy.
A. Longer
B. Higher
C. Lower
D. Shorter
Answer: C C
The shorter the wavelength, the ______________ the frequency and the __________________ the energy.
The shorter the wavelength, the ______________ the frequency and the __________________ the energy.
A. Longer
B. Higher
C. Lower
D. Shorter
Answer: B B
The only part of the electromagnetic spectrum the human body can detect is ____________.
The only part of the electromagnetic spectrum the human body can detect is ____________.
A. Infrared
B. Microwaves
C. Visible Light
D. X-Rays
Answer: C
All electromagnetic radiation travels at _____________m/s.
All electromagnetic radiation travels at _____________m/s.
A. 600
B. 18600
C. 3.0x10^4
D. 3.0x10^8
Answer: D
As it turns out, macro objects can behave as a particle and a wave- but we cannot see the waves because they are ____________ to be seen.
As it turns out, macro objects can behave as a particle and a wave- but we cannot see the waves because they are ____________ to be seen.
A. Too Bright
B. Too Dim
C. Too Large
D. Too Small
Answer: D
If light can behave as a particle and a wave, ___________ wondered if the same was true for macro objects.
If light can behave as a particle and a wave, ___________ wondered if the same was true for macro objects.
A. Periodic Law
B. Planck
C. Quantum
D. Up
E. Heisenberg
F. deBroglie
G. Down
Answer: F
Particles of light are called ___________________.
Particles of light are called ___________________.
A. Electrons
B. Photons
C. Protons
D. Neutrons
Answer: B
This idea that you cannot know where an object is and where it is going only applies to __________ objects.
This idea that you cannot know where an object is and where it is going only applies to __________ objects.
A. Macro
B. Small
C. Micro
D. Large
Answer: C
The reason that you cannot know where an object is and where it is going at the same time is that to be able to "see" the object you add ______________ to it causing it to move.
The reason that you cannot know where an object is and where it is going at the same time is that to be able to "see" the object you add ______________ to it causing it to move.
A. More Power
B. Energy
C. Fuel
D. Feelers
Answer: B
______ stated that the smallest amount of energy that you can add or subtract from a system is a ____________.
______ stated that the smallest amount of energy that you can add or subtract from a system is a ____________.
A. Periodic Law
B. Planck
C. Quantum
D. de Broglie
Answer: B C
The ___________________ Uncertainty Principle states that you cannot know where a particle is and where it is going at the same time.
The ___________________ Uncertainty Principle states that you cannot know where a particle is and where it is going at the same time.
A. Periodic Law
B. Planck
C. Heisenberg
D. deBroglie
Answer: C
The electrons that are involved in chemical reactions are the ____________________ electrons.
The electrons that are involved in chemical reactions are the ____________________ electrons.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: H
The noble gases are stable, since they have _______ _________________ electrons.
The noble gases are stable, since they have _______ _________________ electrons.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: F H
The nucleus is involved in nuclear reactions, the electrons are involved in _____________reactions.
The nucleus is involved in nuclear reactions, the electrons are involved in _____________reactions.
A. Nuclear
B. Chemical
C. Organic
D. Ionic
Answer: B
All the noble gases (except _____________) have _____ _________________ electrons.
All the noble gases (except _____________) have _____ _________________ electrons.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: B F H
The desire of every atom is to have __________ ________________ electrons.
The desire of every atom is to have __________ ________________ electrons.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: F H
The ________________ electrons are the ones located on the outer most energy level.
The ________________ electrons are the ones located on the outer most energy level.
A. Lost
B. He
C. H
D. U
E. 7
F. 8
G. 9
H. Valence
I. Major
Answer: H
The energy levels for every element are different ______________ apart.
The energy levels for every element are different ______________ apart.
A. Colors
B. Distances
C. Angles
D. Countries
Answer: B
The color of light is an indication of how much energy is being released. The ________________ end of the spectrum indicates high energy, while the ______________ end of the spectrum indicates low energy.
The color of light is an indication of how much energy is being released. The ________________ end of the spectrum indicates high energy, while the ______________ end of the spectrum indicates low energy.
A. White
B. Red
C. Yellow
D. Blue
Answer: D B
An electron that has been moved to a higher energy level does not want to stay there- in order to move to a lower energy level, the electron must ____________________, which it does in the form of light.
An electron that has been moved to a higher energy level does not want to stay there- in order to move to a lower energy level, the electron must ____________________, which it does in the form of light.
A. Release Energy
B. Gain Energy
C. Hold Energy
D. Steal Energy
Answer: A
When an electron has moved to a higher energy level, it becomes _______________________.
When an electron has moved to a higher energy level, it becomes _______________________.
A. Stable
B. Unstable
C. Happy
D. Lonely
Answer: B
The amount of energy needed to move an electron from energy level 1 to 2 is more than the energy to move an electron from energy level 3 to 4. Why?
The amount of energy needed to move an electron from energy level 1 to 2 is more than the energy to move an electron from energy level 3 to 4. Why?
A. Levels 1&2 are closer together
B. The levels are the same distance apart
C. Levels 1&2 are farther apart
D. There is no difference between the levels
Answer: C
In order to move an electron to a higher energy level, it requires a ________________ of energy.
In order to move an electron to a higher energy level, it requires a ________________ of energy.
A. Erg
B. Joule
C. Quantum
D. Mass
Answer: C
The distance between the energy levels get ________________ the further you get from the nucleus.
The distance between the energy levels get ________________ the further you get from the nucleus.
A. Unchanged
B. Spread Apart
C. Closer
D. Lower
Answer: C
The closest energy level to the nucleus is #_______________.
The closest energy level to the nucleus is #_______________.
A. 1
B. 2
C. 3
D. 4
E. 5
F. 7
Answer: A
Every energy level starts with the ________________ sublevel.
Every energy level starts with the ________________ sublevel.
A. A
B. D
C. F
D. G
E. M
F. P
G. R
H. S
Answer: H
The energy levels can be divided into _________________ sublevels.
The energy levels can be divided into _________________ sublevels.
A. 2
B. 4
C. 6
D. 7
E. 10
F. 14
Answer: B
According to Schrodinger, there are ______________ energy levels.
According to Schrodinger, there are ______________ energy levels.
A. 2
B. 4
C. 6
D. 7
E. 10
F. 14
Answer: D
Like Bohr, Schrodinger stated that electrons existed on energy levels, but rather than being circular paths, Schrodinger stated that energy levels were regions of __________________.
Like Bohr, Schrodinger stated that electrons existed on energy levels, but rather than being circular paths, Schrodinger stated that energy levels were regions of __________________.
A. High Density
B. 90% Probability
C. Low Density
D. 10% Probability
Answer: B
Schrodinger's model was based on the _____________ atom.
Schrodinger's model was based on the _____________ atom.
A. Nuclear
B. Planetary
C. Hydrogen
D. Quantum Mechanical
Answer: C
Schrodinger developed the ____________________ model.
Schrodinger developed the ____________________ model.
A. Nuclear
B. Hydrogen
C. Planetary
D. Quantum Mechanical
Answer: D
Bohr's model of the atom was called the ______________ model.
Bohr's model of the atom was called the ______________ model.
A. Nuclear
B. Planetary
C. Hydrogen
D. Quantum Mechanical
Answer: B
According to Bohr, the electrons went around the nucleus like to ______________ go around the sun.
According to Bohr, the electrons went around the nucleus like to ______________ go around the sun.
A. Comets
B. Satellites
C. Planets
D. Moon
Answer: C
Bohr stated that _________________ were in fixed __________________.
Bohr stated that _________________ were in fixed __________________.
A. Neutron
B. Proton
C. Ether
D. Electron
E. Nucleus
F. Energy Levels
Answer: D F
What Rutherford did not explain was why the _____________ did not merge into the ____________________.
What Rutherford did not explain was why the _____________ did not merge into the ____________________.
A. Neutron
B. Proton
C. Ether
D. Electron
E. Nucleus
F. Energy Levels
Answer: D E
Rutherford's gold foil experiment gave us the nuclear atom- which means the atom has a _________________.
Rutherford's gold foil experiment gave us the nuclear atom- which means the atom has a _________________.
A. Neutron
B. Electron
C. Proton
D. Nucleus
Answer: D
The electron is located where?
The electron is located where?
A. In the nucleus
B. Not a part of the atom
C. Around the nucleus
D. In the atom
Answer: C
The charge on an electron is _____________.
The charge on an electron is _____________.
A. Neutral
B. Negative
C. Positive
D. Dense
Answer: B
When multiplying or dividing, what numbers do you use to determine the number of significant digits in your answer?
When multiplying or dividing, what numbers do you use to determine the number of significant digits in your answer?
A. To the right of the decimal
B. All of them
C. To the left of the decimal
D. None of them
Answer: B
When adding or subtracting, what numbers do you use to determine the number of significant digits in your answer?
When adding or subtracting, what numbers do you use to determine the number of significant digits in your answer?
A. To the right of the decimal
B. All of them
C. To the left of the decimal
D. None of them
Answer: A
What numbers are not always significant?
What numbers are not always significant?
A. Zero
B. 1-9
C. Last digit to the right of the decimal
D. Between two significant digits
Answer: A
In the above system, you subtract from the exponent if you move the decimal _________________.
In the above system, you subtract from the exponent if you move the decimal _________________.
A. Left
B. Up
C. Right
D. Down
Answer: C
In the above system, you add from the exponent if you move the decimal _________________.
In the above system, you add from the exponent if you move the decimal _________________.
A. Left
B. Up
C. Right
D. Down
Answer: A
In the system using Mx10n, the number M has a range of ______________.
In the system using Mx10n, the number M has a range of ______________.
A. 1 to 10
B. Equal to or greater than 1 and equal to 10
C. Less than 1 and up to 10
D. Equal to or greater than 1, but less than 10
Answer: D
We use this system to make it easier to write very large or very small numbers.
We use this system to make it easier to write very large or very small numbers.
A. SI
B. Scientific Notation
C. Significant Digits
D. English System
Answer: B
If you use two or more base units, it is called a _____________ unit.
If you use two or more base units, it is called a _____________ unit.
A. Calculated
B. Subjective
C. Derived
D. Deformed
Answer: C
The base unit for electric current is ____________________.
The base unit for electric current is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: D
The base unit for time is ____________________.
The base unit for time is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: F
The base unit for temperature is ____________________.
The base unit for temperature is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: A
The base unit for amount of a substance is ____________________.
The base unit for amount of a substance is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: B
The base unit for mass is ____________________.
The base unit for mass is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: C
The base unit for length is ____________________.
The base unit for length is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: E
The base unit for light is ____________________.
The base unit for light is ____________________.
A. Kelvin
B. Mole
C. Kilogram
D. Ampre
E. Meter
F. Second
G. Candla
Answer: G
Another name for the SI system is the __________ system.
Another name for the SI system is the __________ system.
A. Kelvin
B. Metric
C. English
D. Accurate
Answer: B
Who first came up with the SI system?
Who first came up with the SI system?
A. Germany
B. US
C. USSR
D. France
Answer: D
What change do you make to the name of a polyatomic ion in an ionic compound.
What change do you make to the name of a polyatomic ion in an ionic compound.
A. Change ending to ite
B. Change ending to ide
C. Change ending to ate
D. No change
Answer: D
What change do you make to the name of the non-metal in an ionic compound.
What change do you make to the name of the non-metal in an ionic compound.
A. Change ending to ite
B. Change ending to ide
C. Change ending to ate
D. No change
Answer: B
What change do you make to the name of the metal in an ionic compound.
What change do you make to the name of the metal in an ionic compound.
A. Change ending to ite
B. Change ending to ide
C. Change ending to ate
D. No change
Answer: D
When naming an ionic compound, the name of the _____________ always comes last.
When naming an ionic compound, the name of the _____________ always comes last.
A. Monatomic Ion
B. Polyatomic Ion
C. Anion
D. Cation
Answer: C
When naming an ionic compound, the name of the _____________ always comes first.
When naming an ionic compound, the name of the _____________ always comes first.
A. Monatomic Ion
B. Polyatomic Ion
C. Anion
D. Cation
Answer: D
Ionic compounds tend to be ___________________ as a solid.
Ionic compounds tend to be ___________________ as a solid.
A. Soft
B. Brittle
C. Hard
D. Plasma
Answer: B
Most ionic compounds are __________________ at room temperature.
Most ionic compounds are __________________ at room temperature.
A. Gas
B. Plasma
C. Liquid
D. Solid
Answer: D
Ionic compounds have a ________________ melting point.
Ionic compounds have a ________________ melting point.
A. High
B. Low
C. Moderate
D. Real Low
Answer: A
The properties of a sample of a ______________ mixture depends on the location from which the sample was taken.
The properties of a sample of a ______________ mixture depends on the location from which the sample was taken.
Answer: Heterogeneous
The atoms contained in this type of matter are of two or more kinds
The atoms contained in this type of matter are of two or more kinds
a. Heteratomic molecules
b. Pure substances
c. Mixtures
d. Homoatomic molecules
Answer: a. Heteroatomic molecules
A mixture of table sugar and water is an example of which type of matter?
A mixture of table sugar and water is an example of which type of matter?
a. Heteratomic molecules
b. Pure substances
c. Mixtures
d. Homoatomic molecules
Answer: c. Mixtures
The atoms contained in this type of matter are of the same kind
The atoms contained in this type of matter are of the same kind
a. Heteratomic molecules
b. Pure substances
c. Mixtures
d. Homoatomic molecules
Answer: d. Homoatomic molecules
Matter that varies in composition and properties describes which classification of matter?
Matter that varies in composition and properties describes which classification of matter?
a. Heteratomic molecules
b. Pure substances
c. Mixtures
d. Homoatomic molecules
Answer: c. Mixtures
Pure water which always contains the same proportions of hydrogen and oxygen and freezes at a specific temperature describes which classification of matter?
Pure water which always contains the same proportions of hydrogen and oxygen and freezes at a specific temperature describes which classification of matter?
a. Heteratomic molecules
b. Pure substances
c. Mixtures
d. Homoatomic molecules
Answer: b. Pure substances
Have a constant composition and a fixed set of other physical and chemical properties describes which classification of matter
Have a constant composition and a fixed set of other physical and chemical properties describes which classification of matter
a. Heteratomic molecules
b. Pure substances
c. Mixtures
d. Homoatomic molecules
Answer: b. Pure substances
Molecules that contain more than three atoms are called _________ molecules.
Molecules that contain more than three atoms are called _________ molecules.
Answer: Polyatomic
Molecules that contain three atoms are called _________ molecules.
Molecules that contain three atoms are called _________ molecules.
Answer: Triatomic
Molecule that contain two atoms are called __________ molecules.
Molecule that contain two atoms are called __________ molecules.
Answer: Diatomic
The particles that make up molecules are called ________.
The particles that make up molecules are called ________.
Answer: atoms
The smallest particle of a pure substance that is capable of a stable independent existence is a _________?
The smallest particle of a pure substance that is capable of a stable independent existence is a _________?
Answer: molecule
All matter is made up of tiny particles called ___________ and ____________.
All matter is made up of tiny particles called ___________ and ____________.
Answer: molecules and atoms
Depends on the location of an object describes which property of matter:
Depends on the location of an object describes which property of matter:
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: a. Weight
Burning of paper and the fizzing of a mixture of vinegar and soda are examples of which type of matter changes?
Burning of paper and the fizzing of a mixture of vinegar and soda are examples of which type of matter changes?
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: d. Chemical
Freezing, melting or evaporation of a substance (e.g. water) are examples of which type of matter changes:
Freezing, melting or evaporation of a substance (e.g. water) are examples of which type of matter changes:
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: b. Physical
Flammability and the ability to react (e.g. when vinegar and baking soda are mixed) are examples of which type of matter properties
Flammability and the ability to react (e.g. when vinegar and baking soda are mixed) are examples of which type of matter properties
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: d. Chemical
Color, shape and mass are examples of which type of matter properties?
Color, shape and mass are examples of which type of matter properties?
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: b. Physical
Changes that are always accompanied by a change in composition refers to which type of property changes?
Changes that are always accompanied by a change in composition refers to which type of property changes?
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: d. Chemical
Changes that take place without a change in composition describes which type of property changes?
Changes that take place without a change in composition describes which type of property changes?
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: b. Physical
Is a measurement of the amount of matter in an object refers to which term:
Is a measurement of the amount of matter in an object refers to which term:
a. Mass
b. Weight
c. Molecule
d. Matter
Answer: a. mass
Is independent of the location of an object refers to which term:
Is independent of the location of an object refers to which term:
a. Mass
b. Weight
c. Molecule
d. Matter
Answer: a. mass
Anything that has mass and occupies space refers to which of these terms:
Anything that has mass and occupies space refers to which of these terms:
a. Mass
b. Weight
c. Molecule
d. Matter
Answer: d. matter
Changes that can be observed or measured only by attempting to change the matter into new substances describes which properties of matter:
Changes that can be observed or measured only by attempting to change the matter into new substances describes which properties of matter:
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: d. Chemical
Changes that can be observed or measured without attempting to change the composition of the matter being observed describes which properties of matter:
Changes that can be observed or measured without attempting to change the composition of the matter being observed describes which properties of matter:
a. Weight
b. Physical
c. Mass
d. Chemical
Answer: b. Physical
Subscribe to:
Posts (Atom)