matter revision Yr 8

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Across
  1. 1. This is the columns in a periodic table
  2. 4. This is the number that is the smallest on an element
  3. 9. This is more reactive than Lithium
  4. 10. This is what plastic bags are made of
  5. 11. This is the rows in a periodic table
Down
  1. 2. This is what raincoats are made of
  2. 3. This is the name of the group 7 elements
  3. 5. This is the number of protons and neutrons
  4. 6. this is the unit that polymers are made of
  5. 7. This is the first metal in the alkali metals
  6. 8. this is a natural polymer which makes tyres