Question

define molecule
pls ​

Answer 1

Answer:

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Explanation:

Molecules :-

The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms is known as a molecule or it can be defined as The simplest unit of a chemical compound that can exist, consisting of two or more atoms held together by chemical bonds.

For example, we say Ca2 which says that there are 2 molecules of calcium.