Question

what is atom????????????​

Answer 1

Answer:

Atom is the smallest unit of matter which is indivisible and takes part in chemical reactions.

(OR)

The constituents of matter which are capable of independent existence.

Explanation:

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Answer 2

Answer:

atom, smallest unit into which matter can be divided without the release of electrically charged particles. It also is the smallest unit of matter that has the characteristic properties of a chemical element. As such, the atom is the basic building block of chemistry