Across
- 3. This element has an atomic mass of 32.06
- 6. This element is the lightest element on the periodic table
- 8. This element has the lowest boiling point on the periodic table
- 9. This element has a atomic number of 9
- 10. this element has a melting point of 336.7 K
- 12. This elements symbol is Si
Down
- 1. This element was discovered in 1669
- 2. This element is a girls best friend
- 4. This element was discovered by johan august arfwedson
- 5. This element costs $230 per pound
- 7. The chief ore of this element is bauxite
- 11. νέον is how you say this element in greek
- 13. This elements heat of vaporization is 340 kj