Question

In order to form a _________, atoms always combine in whole number.

Answer 1

Molecule: A molecule is the smallest particle of a compound that can exist independently and have its properties.

• It is made up of combining two or more atoms in whole numbers.
• It shows all the properties of the substance.
• For example, ${\mathrm{H}}_2\mathrm{O}$. It is a molecule of water​ and shows all the properties of the substance.

Thus, In order to form a molecule atoms always combine in the whole number.