Across
- 4. non metal in group 15 and period 2
- 6. element with atomic number 4
- 8. number 1 on periodic table
- 9. inside of pennies
- 10. chemical used in pool maintenance
- 12. tin foil
- 14. most reactive element
Down
- 1. fire need it to burn
- 2. main element in wood
- 3. precious metal used in jewelry
- 5. the element after stone in minecraft
- 7. used in batteries
- 8. used in balloons
- 11. used in bullet and fishing weights
- 13. used in making beer signs