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Why do electron and proton have the same but opposite electric charge?

Why do electron and proton have the same but opposite electric charge?

Grade:9

1 Answers

Vikas TU
14149 Points
3 years ago
Electrons are extremely small. The mass of an electron is only about 1/2000 the mass of a proton or neutron, so electrons contribute virtually nothing to the total mass of an atom. Electrons have an electric charge of −1, which is equal but opposite to the charge of a proton, which is +1.

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