The smallest particle of an element that can possibly exist is known as an atom while molecules are a cluster of atoms bonded together representing the tiniest basic unit of a chemical compound which can take part in a chemical reaction. Get access to class 9 chapter 3 atoms and molecules notes right here.
Topics Covered in Chapter 9 Atoms And Molecules:
- Laws of Chemical Combination
- What is an Atom?
- What is a Molecule?
- Writing Chemical Formulae
- Molecular Mass and Mole Concept
Explore more on chapter 3 atoms and molecules notes at BYJU’S.