Question

What is an atom?write down its constituent particles name with charge and mass.​

Answer 1

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Atoms are made up of particles called protons, neutrons, and electrons, which are responsible for the mass and charge of atoms.

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Answer 2

An atom is smallest unit of ordinary matter that forms a chemical element.

The nucleus is the positively charged center of an atom and contains most of its mass. It is composed of protons, which have a positively charge, and neutrons which have no charge. Protons, neutrons, and the electrons surrounding them are long- lived particals present in all ordinary, naturally occurring atom.