How can two atoms of the same chemical element be different?

A.

They may be different allotropes of the element. Each allotrope of the same element has a different number of electrons.

B.

They may be different isotopes of the element. Each isotope of the same element has a different number of electrons.

C.

They may be different allotropes of the element. Each allotrope of the same element has a different number of neutrons.

D.

They may be different isotopes of the element. Each isotope of the same element has a different number of neutrons.

Question

5 February, 11:59

+4

Answers (1)

Know the Answer?

Cynthia Chung · Answer 1

D is the answer as an isotope is an element with the same atomic number (same number of protons), but different numbers of neutrons.