Periodic table trends

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