Across
- 4. the most common element in the universe
- 6. a metal that can float on water
- 7. how many windows in this room
- 10. the subs name
- 11. my last name
Down
- 1. the best person ever
- 2. never found naturally in its pure form
- 3. mainly found in stars
- 4. so light it can escape the earth's atmosphere
- 5. is the most receptive and electronegative of all the chemical elements
- 8. third most abundant element in the universe
- 9. 2/3 the density of aluminium