Where does most of the mass of an atom come from?

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Angus

Chemistry

29 August, 12:13

Where does most of the mass of an atom come from?

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Tristian Nicholson · Answer 1

Where does most of the mass of the universe come from? In ordinary matter, most of the mass is contained in atoms, and the majority of the mass of an atom resides in the nucleus, made of protons and neutrons. Protons and neutrons are each made of three quarks.