Question

what is mean by atom
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Answer 1

sorry brother don't know

Answer 2

Answer:

Atom is the smallest particle from which molecules are formed.

Two ar more atoms forms a molecule while two or more molecules form a element and two or more elements form a compound.

An atom consist of three things - electron, proton and neutron.

Proton and neutron are inside the nucleus of an atom while electron revolves around the nucleus in a fixed orbit.