Metals and Reactivity

123456789
Across
  1. 2. The reaction of any metal with oxygen in which the substance combines with oxygen.
  2. 4. This list tells you how reactive metals are in comparison with one another.
  3. 5. What is the less reactive metal, platinum or magnesium?
  4. 7. Substances which can, in contact with air, water or other common substances, vigorously or violently give off heat, energy or toxic gases or vapors are described as _____________.
  5. 8. What can you often observe when a gas is produced in a chemical reaction?
  6. 9. What is the common name for iron oxide?
Down
  1. 1. magnesium + oxygen -->
  2. 3. If there is no reaction with a metal and oxygen, you can add this chemical to see if there is a reaction.
  3. 5. What is the more reactive metal, potassium or tin?
  4. 6. What are most elements in the periodic table?