Chemistry

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Across
  1. 4. type of bonding between a metal and a non-metal
  2. 5. means energy is taken in during a reaction
  3. 8. name for group 7 in the periodic table
  4. 9. number of protons in a magnesium atom
  5. 12. type of bond created between 2 non-metals
  6. 14. increasing this will speed up a reaction
  7. 16. technique used to separate colours in a mixture
  8. 17. the smallest alkane
  9. 18. piece of equipment used to measure temperature
  10. 20. atom with same number of protons but different neutrons
  11. 21. breaking long hydrocarbons into shorter ones
Down
  1. 1. increasing this will speed up a reaction
  2. 2. form of carbon that is incredibly hard
  3. 3. word to describe water that is drinkable
  4. 6. adding one of these will speed up a reaction
  5. 7. 600000000000000000000000
  6. 10. subatomic particle that goes around the nucleus
  7. 11. carbon dioxide is a good example of one of these gasses
  8. 13. what happens to reactivity as we go down group 1
  9. 15. type of hydrocarbon with a double bond
  10. 19. means energy is released during a reaction