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Sergeu [11.5K]
2 years ago
10

What particles account for most of an atom's mass?

Chemistry
2 answers:
Tasya [4]2 years ago
8 0

Answer:

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.

Explanation:

Artemon [7]2 years ago
7 0

Answer:

protons and neutrons

Explanation:

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