The neutral atoms of all the isotopes of the same element have
A)different numbers of protons.
B)the same number of neutrons.
C)the same number of electrons.
D)the same mass.
E)the same mass number.

Question

Quizplus · Accepted Answer

Isotopes of the same element have the same number of protons (and thus electrons in neutral atoms) but differ in the number of neutrons, which does not affect the electron count.

The Neutral Atoms of All the Isotopes of the Same