Across
- 2. Good conductor for electricity
- 4. Metal used for cans
- 7. Atomic mass 127
- 8. Metal that is liquid room temp
- 10. Atomic number 90
- 11. Atomic number 27
- 13. Gas used in balloons
- 15. Atomic mass 20
- 16. Atomic number 5
- 17. Atomic symbol is Fe
Down
- 1. Atomic mass is 45
- 3. Atomic Symbol is S
- 4. Used in rat poison
- 5. Atomic Symbol Na
- 6. More mass He less than Be
- 9. Atomic number is 35
- 12. What we breathe
- 14. More mass than B less than N