Isotopes have the same ____________ but have a new atomic mass because they _________________. *

Number of electrons; have more or less neutrons

Number of protons; have more or less neutrons

Number of protons; have more or less electrons

Number of electrons; have more or less protons

Respuesta :

Answer:

Isotopes have the same number of protons but have a new atomic mass because they have more or less neutrons.

Hope this helps!