Across
- 3. family
- 6. series
- 10. what group is it in? (periodic table)
- 11. what most common element
Down
- 1. who predicted it
- 2. what's its name?
- 4. what color does it appear
- 5. who discovered it
- 7. what color does it burn
- 8. what's its symbol?
- 9. what color vapor does it have