Question

what is an meant by atom

Answer 1

An atom is a particle of matter that uniquely defines a chemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. Each electron is negatively charged. The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons.

Answer 2

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✔✔here is ur ans...

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Molecules are formed from atoms. Effectively an atom is the smallest unit of matter. An atom is the Smallest particle of an element which retains it's chemical identity in all physical and chemical changes.

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