Across
- 5. The most abundant element in the universe
- 7. Used in jewelry, atomic number 47.
- 8. Used to galvanize steel, symbol Zn.
- 10. Liquid metal at room temperature
- 11. Used in computer chips
- 13. Metal used to make steel, symbol Fe.
- 16. Metal with symbol Cu, used in electrical wiring.
- 17. Makes up about 78% of the Earth's atmosphere
- 18. Precious metal used in jewelry and catalysts
- 19. Noble gas used in welding, symbol Ar.
Down
- 1. Metal used in batteries
- 2. Precious metal
- 3. Used in toothpaste
- 4. The lightest noble gas, used in balloons.
- 6. Gas used in bright signs
- 9. Essential for bones and teeth
- 11. Known for its yellow color and smell, symbol S.
- 12. Common element in all organic compounds
- 14. Essential for respiration, atomic number 8.
- 15. Element used in borosilicate glass