Across
- 4. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^1
- 6. [Kr] 5s^2 4d^10 5p^2
- 7. [He] 2s^2 2p^3
- 13. [Ar] 4s^2 3d^10 4p^1
- 15. 1s^2 2s^2 2p^6
- 16. 1s^2 2s^2 2p^1
- 17. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2
- 20. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^3
- 22. [Kr] 5s^2 4d^10 5p^5
- 23. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6 6s^2 4f^14 5d^10 6p^2
- 24. 1s^2 2s^2 2p^6 3s^2 3p^5
- 26. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^2
- 27. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^6 5s^2 4d^10 5p^6
- 28. 1s^2 2s^2 2p^6 3s^1
- 29. [Ar] 4s^2 3d^9
Down
- 1. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^6
- 2. 1s^2 2s^2 2p^5
- 3. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^3
- 5. 1s^2 2s^2 2p^6 3s^2
- 8. [Rn] 7s^2 5f^14 6d^10 7p^5
- 9. 1s^2 2s^2 2p^4
- 10. [Ar]4s^2 3d^4
- 11. [Xe] 6s^2 4f^14 5d^8
- 12. 1s^2 2s^2 2p^6 3s^2 3p^6
- 14. 1s^2 2s^1
- 18. [Xe] 6s^2 4f^14 5d^4
- 19. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4
- 21. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2
- 24. 1s^2 2s^2 2p^6 3s^2 3p^6 4s ^2 3d^10 4p^6 5s^2 4d^9
- 25. 1s^2 2s^2 2p^2
