Across
- 4. no charge
- 6. protons
- 8. tendency
- 11. change
- 13. abbreviation
- 16. chemical
- 19. same
- 22. releases
- 24. negative
- 25. absorbs
- 26. elements
Down
- 1. reactant
- 2. attraction
- 3. temperature
- 5. molecule
- 7. equal
- 9. different
- 10. outer
- 12. basic
- 14. combination
- 15. biologic
- 17. reaction
- 18. shared
- 20. substance
- 21. positive
- 23. result