Question

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Define the terms:
1. Atom
2. Molecule

Answer 1

<!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> An atom is defined as the structural and functional unit of matter. It is the smallest particle of an element that retains its chemical identity in all the physical and chemical changes.

A molecule is defined as the smallest unit of a compound that contains the chemical properties of the compound.