PERIODIC TABLE GENERAL KNOWLEDGE

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Across
  1. 3. to left The atomic radius decreases?
  2. 4. From sodium to argon the ionization energy?
  3. 5. a period The electronegativity increase?
  4. 6. The atomic radius from Lithium to Potassium?
Down
  1. 1. What happen to the ionization energy from Beryllium to Radium?
  2. 2. What happen to the size of atomic radius when across a period from right to left?