Question

name the particles which actually determines the mass of an atom ​

Answer 1

Answer:Together, the number of protons and the number of neutrons determine an element's mass number: mass number = protons + neutrons. If you want to calculate how many neutrons an atom has, you can simply subtract the number of protons, or atomic number, from the mass number.

Explanation:

Answer 2

Answer:

Protons and neutrons actually determine the mass of atom.