Across
- 2. A chemical symbol is Fe
- 5. Atomic number of 6
- 6. Atomic number of 11
- 8. Atomic number of 16
- 11. Atomic number of 53
- 12. Atomic number of 30
- 14. Atomic number of 7
- 15. First element in the period number 4
- 17. In the same group gold
- 18. What we breathe; Atomic number of 8
Down
- 1. Atomic number of 5
- 3. What water is made of; Atomic number or 1
- 4. Under neon
- 5. Same atomic number as its group (17)
- 7. Atomic number of 9
- 9. What lights are made of; Atomic number of 10
- 10. Atomic number of 50
- 13. What pennies are made of
- 16. Atomic number of 14
- 19. In the same group as silver
