Question

The various atomic masses of the same element are called
neutrino
positron
critical mass
isotopes

Answer 1

@misssunshinexxoxo

Answer 2

The number of nucleons (both protons and neutrons) in the nucleus is the atom's mass number, and each isotope of a given element has a different mass number. For example, carbon-12, carbon-13 and carbon-14 are three isotopes of the element carbon with mass numbers 12, 13 and 14 respectively.

Answer 3

D is the best choice

Answer 4

thanks