Introduction to Atom

7 Minutes

Our school bag, pencil box, and Football are all Matter. What does this matter make? Atom! One or more atoms combine to form molecules. The molecule can be classified as, On the basis of a number of atoms: Monoatomic molecule - Neon - Ne Diatomic molecule - Oxygen - O2 Triatomic molecule - Water - H2O Polyatomic molecule - Chalk piece - CaCO3 On the basis of the type of atom : The molecule of element - made of same atoms - O2, H2 The molecule of a compound - made of different atoms - H2O, CO2 On the basis of molecular gaps: Solid - lesser molecular gap - Copper rod Liquid - medium molecular gap - Oil, water Gas - very high molecular gap - Oxygen gas, Nitrogen gas Which is the most abundant atom on Earth? Get the answer in the video above.