Periodic Table & Trends

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Across
  1. 1. 1s22s22p63s23p64s23d5
  2. 4. most elements on the left side of the metalloid line are classified as this
  3. 8. type of electrons that are shown in an electron dot structure (used for bonding)
  4. 11. the written arrangement of electrons in an atom (ex: 1s2 2s2 2p6)
  5. 12. elements to the right of the metalloid line are classified as this
  6. 13. where electrons are likely to be found (s,p,d,f)
  7. 15. electrons have to spin in the _______ direction if they are in the same orbital
  8. 16. [Kr]5s24d9
  9. 17. energy required to remove an electron to overcome the attraction between the positive nucleus and the electron
  10. 19. 7 of these, read from left to right
  11. 20. principle states that each electron occupies the lowest energy orbital available (name only)
  12. 21. e- configuration shortened with the previous noble gas in brackets
Down
  1. 2. group 2 family name
  2. 3. how many valance electrons does group 17 elements have (spell out the number)
  3. 5. group 1 family name
  4. 6. exclusion principle that states a maximum of 2 electrons can occupy a single orbital but only if they have opposite spins (name only)
  5. 7. groups 3-12
  6. 9. the relative ability of its atoms to attract electrons in a chemical bond
  7. 10. group 17 family name
  8. 14. group 18 family name
  9. 18. Rule that states single electrons with the same spin must occupy each equal energy orbital before additional electrons with opposite spins can occupy the same energy level orbital (name only)