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skelet666 [1.2K]
3 years ago
8

Where does most of the mass of an atom come from? What parts of the atom make it up?

Chemistry
1 answer:
motikmotik3 years ago
6 0

Answer:

nucleus

Explanation:

The majority of an atoms' mass comes from the protons and neutrons that make up its nucleus. Electrons are the least massive of an atom's constituent particles, with a mass of 9.11 x 10-31 kg and a size too small to be measured by current techniques.

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