Chemistry

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Across
  1. 3. it is a non metal with the symbol O on the perodictable
  2. 5. the particles vibrate and chage position
  3. 7. 3rd Main air we breathe in
  4. 8. main gas that we breathe in
  5. 9. has the ph of 7
  6. 12. all the particles are completely stuck together
  7. 13. what chemical has the symbol Au
Down
  1. 1. what is the name with the symbol fe on the periodictable
  2. 2. first element in the periodictable
  3. 4. different elements all mixed up
  4. 6. what does H2O stand for
  5. 8. the middle of a pen atom
  6. 10. has a ph higher than 7
  7. 11. has the ph lower than 7
  8. 13. all the particles are vibrating and moving around, really fast