How Tos – Many Things
The elements of Group-13 to Group-17 when permitted to react with each other, they form a chemical bond by mutual sharing of their valence shell electrons. This type of bond, which is formed due to the mutual sharing of electrons, is called a covalent bond.
A molecule is the smallest particle of a pure compound which can exist independently. It may include several atoms. The number of atoms present in a molecule identifies its atomicity.
Chemistry, the science that deals with the properties, composition, and structure of substances, the changes they go through, and the energy that is emancipated or absorbed during these processes.