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