1. CHAPTER - 4 STRUCTURE OF THE ATOM CLASS :- IX MADE BY :- SHIVA PRASAD SCHOOL :- K.V. 2, SADRAS , KALPAKKAM 2. 1a) Charged particles in matter :- Atoms have three types…
CHAPTER - 4 STRUCTURE OF THE ATOM CLASS :- IX SCHOOL :- SCIENCE 1a) Charged particles in matter :- Atoms have three types of sub atomic particles. They are electrons, protons…