Question

Define a molecule.

Answer 1

Definition of molecule:

1. A group of atoms bonded together that represents a unit of chemical compound is known as a molecule.
2. A molecule gives the exact number of the atoms of all the elements in a unit of substance.

Example:

1. Water molecule - $\mathbf{\left(}{\mathbf{H}}_{\mathbf{2}}\mathbf{O}\mathbf{\right)}$.
2. This represents that water molecule has two hydrogen atoms $\mathbf{\left(}\mathbf{H}\mathbf{\right)}$ and one oxygen atom $\mathbf{\left(}\mathbf{O}\mathbf{\right)}$ bonded together.