Across
- 2. element number 1 on the periodic table
- 3. the change of state from gas to liquid
- 9. chemical that changes colour in an acid or base
- 10. property of a substance that causes burns to skin and eyes and damages other materials
- 12. can be formed into different shapes
Down
- 1. insoluble solid formed when soluble substances react together
- 4. another word for basic
- 5. calcium hydroxide, a clear and colourless liquid that turns milky when carbon dioxide is added
- 6. a space that contains no particles
- 7. substance that dissolves to form a solution
- 8. a substance that contains atoms of more than one element strongly held together
- 11. the highest and lowest values in a set of data