Periodic Trends

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Across
  1. 7. This increases right to left
  2. 9. which element has the atomic symbol "O"
  3. 12. Nitrogen is a _____.
  4. 13. Boron is a _____.
  5. 14. which has a larger atomic radius?
  6. 15. which has more protons, nitrogen or fluorine?
  7. 16. ionization energy decreases ___ to left
Down
  1. 1. How many groups are on the periodic table
  2. 2. What are the units for mass of an element
  3. 3. Aluminum is a ___.
  4. 4. Atomic radius ____ as you go down the periodic table
  5. 5. Has a larger atomic radius; Boron or Argon?
  6. 6. which has a smaller atomic radius, lithium or oxygen?
  7. 8. Which group is magnesium in?
  8. 10. Which group is sodium in?
  9. 11. Which element has more electrons; cobalt or nickel?