Element is a basic form of matter that cannot be broken down into simpler substances by chemical reactions. Elements can be normally divided into metals, non - metals and metalloids.
For example, copper, oxygen, iron, hydrogen, chlorine, mercury, etc.
Compound is a substance composed of two or more elements, chemically combined with one another in a fixed proportion.They can be broken down into elements by chemical or electrochemical reactions.
For example, water, methane, sugar, salt, etc.