Across
- 3. What we breath
- 5. Atomic number of 4
- 7. 1s2 2s2 2p2
- 9. The state that we are inn
- 13. Chemical symbol is Uuo
- 15. Has the chemical symbol of Xe
- 17. 1s2 2s2 2p6 3s2 3p6 4s2
- 19. A toxic chemical that can kill you
- 20. Atomic mass is 22
Down
- 1. 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p2
- 2. Has the atomic number of 1
- 4. 1s2 2s2 2p6 3s2 3p2
- 6. A bright light that can be used for led lights
- 8. Has the atomic number of 5
- 10. (Li)[He] 2s1
- 11. A type of coin
- 12. (P)[Ne] 3p3
- 14. 12e-
- 16. Atomic mass is 26
- 18. What you use for a mechanical pencil