Across
- 3. Pale yellow gas in toothpaste (8 letters)
- 4. Colorless gas making up most of the atmosphere (8 letters)
- 7. Soft metal that melts in your hand (7 letters)
- 9. Rare earth element named after Swedish town (6 letters)
- 11. Silvery metallic element in rare earth group (7 letters)
- 12. Purple-hued element used in antiseptics (6 letters)
- 13. Lightweight metal in soda cans (10 letters)
- 14. Heaviest rare earth element (8 letters)
Down
- 1. Metalloid used in many industrial processes (5 letters)
- 2. Rarest naturally occurring element (8 letters)
- 5. Rare earth element from continent namesake (8 letters)
- 6. Coin metal with a magnetic personality (6 letters)
- 8. Battery metal used in electronics (7 letters)
- 10. Reactive alkali metal named after ruby color (8 letters)