C1a crossword starter

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Across
  1. 1. This metal is used to make wires due to its conductivity.
  2. 7. If metals are not reused this is where they will end up.
  3. 8. A column in the periodic table is called a _________.
  4. 9. This element has an electron configuration of 2,8,7.
  5. 11. A more reactive metal replaces a less reactive metal in this type of reaction.
  6. 14. The reaction to break down limestone is called thermal _________.
  7. 15. The part of the atom where protons & neutrons are found.
  8. 16. These are made up of only one type of atom.
  9. 18. One way of reducing the amount of metal we have to extract.
  10. 19. This metal is an example of a native metal.
Down
  1. 1. Two or more different elements joined together.
  2. 2. The number of electrons that can fit in the 3rd shell.
  3. 3. This metal is used to make aircraft due to its properties.
  4. 4. The process of separating metals using electricity.
  5. 5. A mixture of a metal with one or more elements is known as an ________.
  6. 6. The common name for calcium carbonate.
  7. 10. Most metals are found in the ground as an ________.
  8. 12. Most iron is converted to this to make it more useful.
  9. 13. A limestone quarry would provide this for local people.
  10. 17. A row in the periodic table is called a ___________.