Periodic table

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Across
  1. 2. small size halogen and high electronegativity
  2. 4. lowest ionization potential
  3. 6. Elements from group 1
  4. 7. has tendency to loose electrons
  5. 8. Element 'X' with valency 1 in group 1 and period 2.
  6. 10. has tendency to loose electrons.
Down
  1. 1. Posses metal and non metal properties
  2. 3. The amount of energy released when an atom in the gaseous state accepts an electron to form an anion.
  3. 5. Across the period ionization potential
  4. 9. The amount of energy required to remove a loosely bound electron from the outermost shell of an isolated gaseous atom.