Across
- 4. Negatively charged particles
- 7. Positively charged particles
- 8. One Proton,one electron,two neutron
- 10. Protons and Neurons collectively know as
- 12. Electrons revolve around the nucleus in circular path known as
Down
- 1. It has one proton , one electron, one neutron
- 2. Matter consists of Indestructible particles
- 3. Combining capacity of atoms
- 5. Positively charged Ions
- 6. One proton , one electron, no neutron
- 9. Same element, with same atomic number but different mass number
- 11. Negatively charged Ions
