Question

Isotopes of an element have different:

numbers of protons.

numbers of neutrons.

numbers of electrons.

numbers of protons and electrons.

Answer 1

@danieldjpon3

Answer 2

Isotopes have the same number of protons (and electrons), but different numbers of neutrons. Different isotopes of the same element have different masses. Mass is the word for how much substance (or matter) something has.

Answer 3

Hope that helps a little bit

Answer 4

Thanks!