Is Matter Around us Pure?

Pure substance can be classified as elements or compounds.

Element: The basic form of matter that cannot be broken down into simpler substances by chemical reactions’.

Elements can be further classified as metals, non-metals, metalloids and noble gases.

Compound: Compounds are formed when two or more elements combine chemically in a fixed proportion.

• Everything around us is composed of matter.
• There are five states of matter- solid, liquid, gaseous, plasma and Bose-Einstein condesate
• Solid phase
• • Permanent change in shape is difficult
  • Negligible compressibility
  • Definite shape, size, and boundary
  • No particle mo…