Across
- 2. diagram A atom diagram created by bohr Rutherford
- 4. Same protons different neutrons
- 5. The Vertical parts of the periodic table
- 7. The lightest element on the Periodic table
- 8. Horizontal Row in Periodic Table
- 10. Have a negative force
Down
- 1. mass The weight of element
- 3. The squares on the periodic table
- 6. In group 15 and period 3
- 8. Have a positive force
- 9. a charged molecule or atom