Across
- 1. is helium
- 2. symbol chemicals nickname
- 5. a moldable solid
- 6. bond connects atoms
- 8. negative charge
- 9. a small number written on the bottom of the letter
- 10. is oxygen
- 11. Neutral charge
- 13. smallest particle of something
- 14. unbreakable
- 15. a chemical reaction
Down
- 1. is water.
- 3. Water,Fire,air,earth
- 4. everything in the middle
- 7. Positive charge
- 12. something you start with