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It depends on the type of element you are working with. Plus, use the Periodic Table in order to find the atomic number which is the number of protons. So, for example, Hydrogen has 1 proton; Helium has 2 protons; Lithium has 3 protons; Beryllium has 4 protons and so on. this depends on the atom Element. For example.

Oxygen has an atomic number: 8

This means, Oxygen has 8 protons and also 8 electrons.

The number of protons = the number of electrons.

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16y ago

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