Index
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Making Plastics
Crossword
Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
Check
Across: 2. Housewares are made of this 5. This Group IV element is what organic chemistry is all about 7. This chain has double bonds in it. 8. This substance reacts readily 10. Breaking long chains into small molecules 11. A formula that links the number of carbons to the number of hydrogen atoms. 13. Two bonds between neighbouring carbon atoms instead of one 14. Using materials again when they have been disposed of. 15. Making long chains from sub-units 17. Compound breaking down when heated. 18. Easily moulded into shape.
Down: 1. Propene is one of the family 3. Compounds make up of hydrogen and carbon 4. Long chain of sub-units 6. Butane is one of the family 9. Way of writing down the numbers of each kind of atom in a substance. 12. A single sub-unit 16. Monomer for polythene
Index
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