Across
- 2. you find these on the periodic table
- 4. the process of turning a substance into a vapour
- 6. a subatomic particle with a negative charge
- 10. a subatomic particle with a positive charge
- 12. a substance made my mixing other substances together
- 13. purifying a liquid by a process of heating and cooling
- 14. a subatomic particle with a neutral charge
Down
- 1. an element that has properties of a metal and non-metal
- 3. an element or substance that is not a metal
- 5. the action of something passing through a device to remove unwanted material
- 7. a substance that flows freely but is of a constant
- 8. firm and stable in shape
- 9. a substance formed from two more elements
- 11. a substance that expands freely and has no fixed shape