Across
- 2. everything has the be the same
- 5. chunks in liquid
- 7. reaction arrow
- 9. bending paper
- 10. big number
- 11. 2H2+O2
- 13. protons
- 15. two or more atoms
- 16. substances formed after the reaction
- 17. shows a support
Down
- 1. heat pack
- 3. little number that tells the atoms protons
- 4. compounds
- 6. presented by chemical symbol
- 8. scientific equation
- 12. new substance is made
- 14. ice pack