Across
- 4. are pure substances
- 7. found in salt
- 9. used to make jewelry
- 11. used to make light bulbs
- 12. found in batteries
- 13. used in balloons
- 15. found in air
- 17. table, where elements are found
Down
- 1. found in shells and bones
- 2. used to make poison
- 3. found in eggs
- 5. found in fruits and vegetables
- 6. used to make coins
- 8. found in emeralds
- 10. used to disinfect swimming pools
- 14. used to make electric wires
- 16. used for advertising signs