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

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Chemistry

Dayton Jarvis

15 July, 18:49

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

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Aliyah Patton · 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.