Reduction and Oxidation

123456789101112
Across
  1. 2. A reaction which requires heat to begin
  2. 4. The time required for a quantity of an element to reduce to half of its initial value
  3. 6. A reaction wherein the atom or a set of atoms is displaced by another atom in a molecule
  4. 8. A reaction with an oxidant and a metal turning into a more stable oxide or carbonate
  5. 10. A pyrotechnic composition of metal powder and metal oxide
  6. 11. An oxidizer used to disinfect water
  7. 12. An alkali reductant which bonds with chlorine to produce table salt
Down
  1. 1. An equation which shows how one chemical species behaves in a redox reaction
  2. 3. A reaction where one chemical species gains electrons and where another loses electrons
  3. 5. An ion with a positive charge
  4. 7. A reaction which releases heat
  5. 8. something that makes a chemical reaction happen more quickly
  6. 9. An ion with a negative charge