Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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| 1. | A proton has
approximately the same mass as _____. a. | a neutron | b. | an a
particle | c. | a b particle
| d. | an
electron | | |
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| 2. | A neutron has
approximately the same mass as a _____. a. | an a
particle | b. | a b
particle | c. | an electron
| d. | a
proton | | |
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| 3. | Which element's
ionic radius is smaller than its atomic radius? _____ a. | neon | b. | nitrogen | c. | sodium | d. | sulfur | | |
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| 4. | The total mass of
the atom includes _____. a. | the mass of the electrons | b. | the mass of the protons | c. | the mass of the neutrons | d. | All of the above | | |
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| 5. | The electron's
mass is _____. a. | less than the proton's
mass | b. | more than the proton's
mass | c. | equal to the neutron's
mass | d. | more than the neutron's
mass | | |
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