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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
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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

User Richelle
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1 Answer

4 votes

Answer:

Step-by-step explanation:

its c. protons and neutron

User Alessandro Rota
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