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