Question

what is atom, molecules, and element, define separately.

Answer 1

Here your answer

Atom-

the smallest part into which an element can be divided.

Molecules

the smallest unit into which a substance can be divided without changing its chemical nature.

Element

element is a substance that cannot be broken down into simpler components by any non-nuclear chemical reaction

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Answer 2

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ATOM_it is called as the smallest unit of matter that has the characteristic properties of a chemical element.

MOLECULES_it is defined as two or more atoms of the same element combined together.

ELEMENTS_these are chemically the simplest substances which cannot be broken down by chemical reactions.

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