Chemistry Periodicity

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Across
  1. 4. includes solids, liquids, and gases with 7 valence electrons
  2. 6. series of elements that produce a spark when struck
  3. 9. an alkaline earth element
  4. 10. increases the rate at which equilibrium is achieved
  5. 11. series of elements that are all radioactive
  6. 14. first ionization energy refers to removal of an ___
  7. 15. describes Xe, Rn, He, Ne, and Kr
  8. 16. the most electronegative element
  9. 17. element with the highest first ionization energy
  10. 18. electron affinity ___ from left to right
Down
  1. 1. element with the largest atomic radius
  2. 2. type of bond with a big different in electronegativity
  3. 3. P, S, As, and Se in increasing size
  4. 5. dull, brittle, do not conduct electricity
  5. 6. principle that states dynamic equilibrium is disturbed by changing the conditions, the position of equilibrium shifts to counteract the change to reestablish an equilibrium
  6. 7. ionization energies are always ___
  7. 8. the rates of the forward and reverse reactions are equal
  8. 12. atomic radii ___ with increasing MW across a period
  9. 13. have both high electrical and high thermal conductivity