Across
- 3. the study of the ratio between reactants
- 6. ion with a positive electrical charge
- 7. subatomic particle with a negative charge
- 9. a three dimensional description of the most likely
- 12. an ion with a negative electrical charge.
- 13. a chemical substance that contains hydrogen
Down
- 1. a substance that changes in a chemical reaction
- 2. the science and study of matter
- 4. unit of thermal energy
- 5. halogen with atomic number 17 and element symbol Cl
- 8. a homogeneous mixture
- 10. a chemical link formed between atoms in molecules
- 11. a substance that can accept hydrogen ions in water