Chemistry

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Across
  1. 4. a chemical element with a symbol of o
  2. 6. a chemical element with a symbol of ag
  3. 7. can be dangerous and appeares red on the ph scale
  4. 8. point the temperature where something is able to Melt
  5. 12. this is something with all the chemical symbols on it
  6. 14. atoms and elements that are all in different spaces
  7. 15. it's hard and not runny and is usually in a block
Down
  1. 1. has a symbol of h2o
  2. 2. a chemical element with a symbol au
  3. 3. something wet and it can make the shape of something
  4. 5. one type of atom on its own or joint to another atom of the same type
  5. 9. you can't see it smell it or feel it
  6. 10. point the temperature where something is able to melt
  7. 11. a non metal with a symbol of n
  8. 13. more then one type of atom joined together