Chemistry, asked by sai2471, 8 months ago

why the number of neutrons is differ from number of protons and electrons in many of elements​

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Answered by Anonymous
1

Answer:

Because electrons have virtually no mass, just about all the mass of an atom is in its protons and neutrons. ... Because the number of neutrons can vary for a given element, the mass numbers of different atoms of an element may also vary.

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