g8 chemistry
Across
- 2. a reaction that occurs when a more reactive element takes the place of a less reactive element in a compound.
- 3. a compound produced when the hydrogen in an acid is replaced by a metal or ammonium during a reaction.
- 5. the process where a metal or non-metal gains oxygen atoms.
- 7. the process where a metal oxide loses its oxygen to become a pure metal.
- 9. a substance with a pH less than 7 that can neutralize a base and often turns blue litmus paper red.
- 12. a process where atoms are rearranged to create one or more new substances.
Down
- 1. a compound containing carbon and oxygen that reacts with acids to produce carbon dioxide gas, a salt, and water.
- 3. a transparent mixture formed when a solute dissolves into a liquid solvent.
- 4. a specific type of base that is soluble in water.
- 6. to how easily or quickly a substance undergoes a chemical reaction with another substance.
- 8. a rock or mineral found in the Earth's crust that contains enough metal to make extraction economically worthwhile.
- 10. a substance that reacts with an acid to form a salt and water.
- 11. the scientific law stating that the total mass of reactants must equal the total mass of products because mass cannot be created or destroyed.