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