chemistery Crossword by Logan and Jack

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Across
  1. 3. this element was discoverd in 1735
  2. 5. it is a silvery white lustrous metal
  3. 7. Discovered by Johan Arfwedson
  4. 10. melting point 1668C
  5. 11. Boiling point 2562C
  6. 14. it is one atom
  7. 15. discovery Date 1961
  8. 16. the melting point is 1538C
Down
  1. 1. Has 67 Electrons
  2. 2. We breath it
  3. 4. the atomic mass is 32.065
  4. 6. the boiling point is 907C
  5. 8. Start with the letter T
  6. 9. has 6 electrons
  7. 12. Discovered by Humphry Davy
  8. 13. it is a colourless, odorless, noble gas