Across
- 2. A substance's mass per unit of volume
- 6. Finely divided carbon deposited from flames during the incomplete combustion of organic substances such as coal
- 7. A measure of how much a substance reacts when it is mixed with another substance
- 9. and carbon dioxide
- 10. A compound that turns different colors at different pH values
Down
- 1. The distribution of electrical charge over the atoms joined by the bond.
- 3. The fact that the different parts of something exist in or have been arranged into separate groups
- 4. The amount of acid present in a solution, often expressed in terms of pH.
- 5. When a compound combines with oxygen gas to form water,
- 8. A chemical element, such as iron or gold,that is generally hard and strong, and through which electricity and heat can travel