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

User Anti Veeranna
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1 Answer

4 votes

Answer:

nucleus

Step-by-step 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.

User Xea
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