Across
- 4. Said all atoms are like balls
- 5. Idea of orbitals
- 8. Negative pieces of an atom
- 9. Elements with 8 electrons
- 11. These go left and right
- 12. First person to think of atoms
- 15. No charge
Down
- 1. Electron on outermost shell
- 2. These go up and down
- 3. Positive pieces of an atom
- 6. Chart with all the elements
- 7. Came up with the idea of electrons
- 10. Smallest unit of all matter
- 13. More than one atom together
- 14. A charged particle