Periodic Table

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Across
  1. 2. what do you put int the boxes for electron configurations
  2. 4. a diatomic element that starts with F
  3. 5. electron configuration ends in 3d7
  4. 7. electron configuration ends in 3s1
  5. 8. electrons added/ ion has a negative/ charge
  6. 10. atomic number of 12
  7. 11. The only metal that's not a solid
  8. 12. most elements are ____
  9. 16. metaloids are
  10. 17. can be made into a thin sheet
  11. 20. electrons are found in _____
  12. 23. what's a noble gas that starts with a K
  13. 27. has an electron configuration of 1s2 2s2 2p4
  14. 28. A liquid element that isn't Mercury
  15. 29. column 8a on the periodic table is also known as the __gases
Down
  1. 1. how many electrons can fit in an f-subshell
  2. 3. has 19 protons
  3. 6. how many unpaired electrons does Oxygen have
  4. 7. the only orbital in the first subshell level
  5. 9. rows on the periodic table are also known as_____
  6. 13. metals are found on the ____ side of the periodic table
  7. 14. when you add or remove electrons an ____ is formed
  8. 15. between and metal and a nonmetal
  9. 18. earth what is column 2a known as
  10. 19. configuration a condensed way to write electron addresses that give almost as much info as the boxes
  11. 21. how many electrons fit in the d-subshell
  12. 22. electron configuration ends in 4d9
  13. 24. a neutral atom has the same amount of electrons and ____
  14. 25. the inner unreactive electrons are___
  15. 26. when we remove electrons and the ion has a positive charge