Isotopes have
Question 3 options:

A)

a different number of neutrons in their nuclei.

B)

a different number of protons in their nuclei.

C)

a different number of electrons.

D)

different numbers of both protons and neutrons in their nuclei.

Respuesta :

A. isotopes only hve different mass which is caused by additional/lesser neutron. protons and electrons number are fixed

Answer:

a different number of neutrons in their nuclei.

Explanation: