Isotopes are elements with the same number of
A) electrons but different numbers of protons.
B) protons but different numbers of electrons.
C) electrons but different numbers of neutrons.
D) protons but different numbers of neutrons.
E) neutrons but different numbers of protons.

Question

Quizplus · Accepted Answer

Isotopes are variants of a particular chemical element which differ in neutron number, while retaining the same number of protons in their nuclei. This means they have the same atomic number but different mass numbers.

Isotopes Are Elements with the Same Number of