Properties of metals and non-metals

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Across
  1. 4. A material that lets electricity or heat pass through it easily.
  2. 6. A mixture of two or more metals.
  3. 8. A pure substance made of only one type of atom.
  4. 9. Able to be stretched into a thin wire without snapping.
Down
  1. 1. The gradual wearing away of a metal caused by reacting with air or moisture.
  2. 2. Having a lot of mass packed into a small space.
  3. 3. Able to be hammered or pressed into a new shape without breaking.
  4. 5. Not common; hard to find in nature.
  5. 7. The shiny, reflective appearance of a metal's surface.