Across
- 2. Mix of 2 or more elements
- 4. +1 charge
- 5. 0 charge
- 6. Contains protons and neutrons
- 8. Everything on the periodic table
- 10. Elements on the far right side of the periodic table
- 11. Most reactive metals
- 12. -1 charge
- 13. Made up of one element/compound
Down
- 1. No obvious differences
- 3. Periodic table's "Stair step"
- 6. On far right of table but includes Hydrogen
- 7. Takes up most of the table
- 9. Obvious differences