Core Chemistry Keywords

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Across
  1. 4. The number of neutrons in Lithium
  2. 6. The number of hydrogen atoms in propane
  3. 8. the number of carbon atoms in the other molecule when C2H4 is produced from cracking C4H10
  4. 12. A measure of the 'runny-ness' of a substance
  5. 14. A process used to separate mixtures with different boiling points.
  6. 15. an oil with no double bonds (or an alkane)
  7. 17. The type of processes which create heat in the Earth's core
  8. 20. A hydrocarbon with the general formula CnH2n
  9. 21. The type of currents created in the mantle
  10. 23. This chap proposed the idea of tectonic plates and mountain formation
  11. 24. This type of bond is formed between metals and non-metals
  12. 25. A mixture of a few hydrocarbons with similar boiling points
  13. 27. The repeating unit in a polymer
Down
  1. 1. These gasses have a complete outer shell of electrons
  2. 2. A metal which reacts with water to form hydrogen and it's hydroxide. Quite hard to cut.
  3. 3. This, in water, turns from orange to colourless when it reacts with a double bond.
  4. 5. A large molecule made from lots of smaller ones joined together.
  5. 7. These plates are much larger than the ones used at lunch
  6. 9. An atom that has lost, or gained an electron.
  7. 10. An compound which contains only the elements hydrogen and carbon
  8. 11. a substance which contains any number of compounds or elements, in the same container, but not chemically joined
  9. 13. an oil with some double bonds (or an alkene)
  10. 16. The number of hydrogen atoms in propene
  11. 18. A hydrocarbon with the general formula CnH2n+2
  12. 19. These are fromed from non-metal atoms joining together
  13. 22. A process used to break large hydrocarbon molecules into smaller ones
  14. 26. a substance which contains more than one type of atom, chemically joined together