Across
- 2. A substance containing two or more types of atoms chemically combined.
- 4. The change in state from solid to liquid
- 7. A solid formed when two solutions are mixed.
- 9. The mass of a substance divided by its volume
- 13. The flow of electric current through a substance. Conduction is due to moving electrons in metals and moving ions in ionic solutions/melts. (two words)
- 15. The solid obtained on the filter paper when carrying out filtration.
- 16. Neither acidic nor alkaline. A solution that has pH 7.
- 19. Burning(usually in a reaction with oxygen gas)
- 20. Can be pulled out into wires
Down
- 1. A soluble base. An alkaline solution which has a pH above 7.
- 3. A method of separating a liquid from a mixture by boiling the mixture then condensing the vapours.
- 5. A negatively charged particle found in electron shells outside the nucleus.
- 6. A positively charged particle in the nucleus of an atom. Also used as a term for a hydrogen ion
- 8. An atom or group of atoms that has become positively charged or negatively charged.
- 10. A substance containing only one type of atom
- 11. The liquid that truns through the filter paper when carrying out filtration
- 12. Two or more substance mixed together but not chemically combined.
- 14. The change of a gas to a liquid.
- 17. A mixture of two ore more metals or (less often) a metal with a non-metal.
- 18. A particle made up of two ore more atoms held together by covalent bonds