Element and Compound

Matter can be divided into elements and  compounds.


Elements

  1. An element is a substance that consists of only one type of atom.
  2. Element can be either atoms or molecules.
Example:
(Both the iron and oxygen are element because they consist of only one type of atoms)

Compounds

  1. A compound is a substance composed of molecules made up of atoms of two or more elements.
  2. A compound is made up of either molecules or ions.

Example:
(Both the sodium chloride and carbon dioxide are compound because they consist of more than one type of atoms)