Question

. 2. Molecule is the smallest particle of a pure substance which can exist freely. true or false​

Answer 1

Answer:

true

Explanation:

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Answer 2

Answer:

Atom is the smallest particle of an element which has capable of independent existence and holding properties of the original substances.

The atom retains the physical and chemical properties of the substance to retain same.

It will take part chemical reaction.

Atoms are also considered as invisible that cannot divide by anything.