Chemistry Extra Credit

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Across
  1. 3. Group 1 but has 2 valence electrons
  2. 4. Rn 7s^1 5f^s
  3. 5. Group 1
  4. 8. Tendency of an atom to attract electrons
  5. 10. Least reactive metal
  6. 11. Most reactive metal
  7. 14. Ar 4s^2 3d^2 4p^3
  8. 16. Negative part of an atom
  9. 18. Neutral part of an atom
  10. 19. Hyrdocarbon + Oxygen
  11. 21. 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^2
  12. 23. Chemically inert group
  13. 24. 90% Chance of finding an electron here
  14. 25. Bonded by sharing electrons
  15. 28. This is formed when an ion loses electrons
  16. 30. 2 Valence electrons
Down
  1. 1. NaCl + K -> Na +KCl
  2. 2. Forms a precipitate
  3. 6. Ar 4s^2 3d^2 4p^6
  4. 7. Elements 89-103
  5. 9. First to use the word "atom"
  6. 12. Bonded by transferring electrons
  7. 13. Positive part of an atom
  8. 15. Ne 3s^2 3p^5
  9. 17. Group 3-12
  10. 20. Requires energy
  11. 22. Mrs. Kinds favorite element (42)
  12. 26. 7 Valence electrons
  13. 27. Releases Energy
  14. 29. Elements 57-71