Isotopes of an element have the same number of _____ but a different number of _____.
A) neutrons; protons
B) electrons; protons
C) protons; neutrons
D) neutrons; electrons
E) protons; electrons

Question

Quizplus · Accepted Answer

Isotopes of an element have the same number of protons (which defines the element) but differ in the number of neutrons, leading to different atomic masses.

Isotopes of an Element Have the Same Number of _____