Across
- 2. The reaction of any metal with oxygen in which the substance combines with oxygen.
- 4. This list tells you how reactive metals are in comparison with one another.
- 5. What is the less reactive metal, platinum or magnesium?
- 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 _____________.
- 8. What can you often observe when a gas is produced in a chemical reaction?
- 9. What is the common name for iron oxide?
Down
- 1. magnesium + oxygen -->
- 3. If there is no reaction with a metal and oxygen, you can add this chemical to see if there is a reaction.
- 5. What is the more reactive metal, potassium or tin?
- 6. What are most elements in the periodic table?