1. An element is a primary substance that cannot be further simplified, and consists of smaller particles called atoms.
2. An atom is the smallest amount of an element. It is composed of sub-atomic particles ‘“ neutrons, protons, and electrons.
3. A particular element is composed of only one type of atom.
4. Atoms combine to form molecules; when all bound atoms are alike, they form elements.
5. Fundamentally, the term element came about when the periodic table was introduced to describe kinds of atoms.