Isotopes have different numbers of ________; thus they also have different ________.
A) protons; atomic numbers
B) neutrons; atomic masses
C) electrons; atomic numbers
D) protons; atomic masses
E) neutrons; atomic numbers

Question

Quizplus · Accepted Answer

Isotopes have the same number of protons (which determines their atomic number), but different numbers of neutrons (which determines their atomic mass). Therefore, option B is the correct answer, as it correctly identifies the two different properties of isotopes that differ.

Isotopes Have Different Numbers of ________; Thus They Also Have