Periodic table

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Across
  1. 1. The solid nonmetal in period 4 with the most electron affinity
  2. 4. The most electronegative alkali metal
  3. 6. The element in period 7, group 17
  4. 9. The noble gas in period 3
  5. 10. The noble gas in period 3
  6. 11. The actinoid with atomic number 92
Down
  1. 1. The lanthanoid with atomic number 62
  2. 2. The halogen with the most electronegativity
  3. 3. The most electronegative alkali metal
  4. 5. The element with the highest ionization energy in group 15
  5. 7. The lanthanoid with atomic weight of 151.96
  6. 8. The transition metal in group 8 with the smallest atomic radius