chemistry IGSCE

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Across
  1. 2. Shows all the bonds as individual lines
  2. 3. reaction between propane and bromine gas (type of reaction)
  3. 4. large molecule formed when monomers add on
  4. 9. observation when metal reacts with acid
  5. 11. change of state from liquid to solid
  6. 13. least reactive Alkali metal
  7. 14. remains chemically unchanged at the end of the experiment
Down
  1. 1. bonding present in but-1-ene
  2. 2. used to separate a solvent from a mixture
  3. 5. Contains only Carbon-Carbon single bonds
  4. 6. reaction which can go both ways
  5. 7. colour of silver bromide precipitate
  6. 8. colour of solid iodine
  7. 10. vertical columns in the periodic table
  8. 12. heat given out to the surroundings