Periodic table trends

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Across
  1. 3. highest electronegativity
  2. 10. ability of an element to pull bonded pair of electrons from compound
  3. 11. down the group electronegativity
Down
  1. 1. affinity energy released to gain electron to form anion
  2. 2. energy energy required to remove an electron from the isolated gaseous atom
  3. 4. gases zero electronegativity
  4. 5. across the period Ionisation potential
  5. 6. group with positive mono valency
  6. 7. 18 columns in periodic table
  7. 8. horizontal rows of elements
  8. 9. radius distance between centre of nucleus to valence shell of anatom