Multiple Choice
-Which of the following statements is NOT true?
A) All isotopes of an element have the same number of electrons.
B) All isotopes of an element have the same number of protons.
C) All isotopes of an element have the same number of neutrons.
D) We refer to isotopes by mass number.
E) 12C and 13C are isotopes.
Correct Answer:

Verified
Correct Answer:
Verified
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