What are protons, neutrons and electrons?

Answer

A neutron is a particle in an atom that has no charge. An electron is a particle in an atom that has a negative charge. A proton is a particle in an atom that has a positive charge.
Q&A Related to "What are protons, neutrons and electrons?"
Neutrons: no electrical charge Protons: positive charge Electrons: negative charge
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Elements are differentiated from each other by the number of protons within their nucleus. For example, carbon atoms have six protons in their nucleus. Atoms with seven protons are
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Calcium has 20 protons(positive), 20
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The diameter of a proton or neutron is about. meters. The surface area is. We don't know if the electron has a size, it may be an elementary, point-like particle. Experimentally
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