Across
- 2. Valuable, heavy, and not that rare
- 5. Latest discovered element. Formally Ununoctium
- 8. The air we breathe
- 9. This + Chlorine makes salt
- 10. Rare and radioactive
Down
- 1. Highly toxic. Discovered by Marie Curie
- 3. BANANA!!!
- 4. A Halogen found in toothpaste
- 6. Glows brightly, let isn't very reactive
- 7. Found in seawater and some fish