Across
- 3. humans can eat and drink some
- 6. Give out energy as heat light or electrical energy
- 10. aqueous solution which has a relatively high percentage of the base
- 11. readily give away their hydrogen ions
- 12. measures how strong an acid or base a solution is
- 13. Are the chemical opposite of acids
- 14. is the process in which an electron is removed from a molecule during a chemical reaction
Down
- 1. Are the substances at the end of the chemical reaction
- 2. Are the substances at the start of the chemical reaction
- 4. any material that can be made to react to with other substances
- 5. a gradual destruction of materials by a chemical reaction with their environment
- 6. Absorb energy from their surroundings
- 7. are molecules that contain hydrogen and carbon atoms
- 8. Are a group of chemical compounds all with similar properties
- 9. a base that dissolves in water