Periodic table

123456
Across
  1. 2. Which element is the most electronegativity?
  2. 6. Which group is most reactive?
Down
  1. 1. If Ionization energy increases what effect does it have on the atomic radius?
  2. 3. Which element has more ionization energy, Lituhim or Potassium?
  3. 4. Which group is the least reactive
  4. 5. What element class is Arsenic (As) in?