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There are three naturally occurring isotopes of carbon: carbon-$12$, carbon-$13$, and the radioactive carbon-$14$.

Which of the following properties are different between an atom of one of these isotopes and an atom of a different isotope? Select ALL that apply.

A

Number of neutrons (in a neutral atom)

B

Number of protons (in a neutral atom)

C

Number of electrons (in a neutral atom)

D

Mass number, $A$

E

Atomic number, $Z$

F

Mass

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