Across
- 3. number higher then hydroxide ions
- 5. substance that can not be broke down
- 8. Combing in ways that cause atoms to become stable
- 9. important class of catalysts in living things
- 11. matter in object
- 12. solid liquid gas
- 14. chemical reactions involving net and free energy
Down
- 1. reaction to the right
- 2. the central core
- 3. number of protons.
- 4. H30+ion
- 6. energy need to start reaction
- 7. atom or molecule with a electrical charge
- 10. the simplest form with all properties
- 13. ability to work
- 15. when electrons or transferred into atoms
- 16. when atoms share electrons