17-12-2020
Chemistry

contestada

Which combination makes up most of the mass of an atom?

A. Electron and proton
B. Electron and neutron
C. Proton and neutron
D. None of these make up atom’s mass

Respuesta :

kregslayburner kregslayburner

17-12-2020

Answer:

Explanation:

its c. protons and neutron

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