Across
- 3. The atom that is the water generator
- 8. Carries a positive charge
- 10. Named after the Sun, Helios
- 12. The particle involved in chemical reactions
- 14. The lightest metal
- 15. Changing state from liquid to a gas is this
- 16. This atom is super explosive when mixed with Hydrogen
- 18. Carries a negative charge
- 19. The 4th atom in the periodic table
- 20. Borax contains this atom
- 21. The solution of borax to make crystals is this
Down
- 1. Heating particles makes them move...?
- 2. The reaction that is reversible (changes state)
- 4. The air we breathe contains mostly this atom
- 5. Changing state from solid to a liquid is this
- 6. The 9th atom in the periodic table
- 7. The reaction that is not easily reversed
- 9. Carries no charge
- 11. Where electrons are located in an atom
- 13. Diamonds are made from this atom under pressure
- 17. Where protons and neutrons are located in an atom