Across
- 2. A reaction which requires heat to begin
- 4. The time required for a quantity of an element to reduce to half of its initial value
- 6. A reaction wherein the atom or a set of atoms is displaced by another atom in a molecule
- 8. A reaction with an oxidant and a metal turning into a more stable oxide or carbonate
- 10. A pyrotechnic composition of metal powder and metal oxide
- 11. An oxidizer used to disinfect water
- 12. An alkali reductant which bonds with chlorine to produce table salt
Down
- 1. An equation which shows how one chemical species behaves in a redox reaction
- 3. A reaction where one chemical species gains electrons and where another loses electrons
- 5. An ion with a positive charge
- 7. A reaction which releases heat
- 8. something that makes a chemical reaction happen more quickly
- 9. An ion with a negative charge
