Periodic Table

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Across
  1. 5. The chemical properties of an element are dependent on _______________________
  2. 8. The scientist who arranged the elements in triads
  3. 11. Eighteen vertical columns
  4. 12. The elements present in group 3 to 12
  5. 16. ______________ signifies the number of electron shells
  6. 18. ______________ are good reducing agents
  7. 19. element with the lowest ionisation potential
Down
  1. 1. ________________determines bond length
  2. 2. Group number determines the number of
  3. 3. element with the largest atomic radius in period 2
  4. 4. Moseley arranged the elements in the increasing order of ________________
  5. 6. Elements with absolutely no electron affinity
  6. 7. Greater the value of electron affinity, more ______________the element is
  7. 9. Seven horizontal rows
  8. 10. The most electronegative element in period 2
  9. 13. The metalloid in period 3
  10. 14. Elements with high electronegativity are usually _________________
  11. 15. the elements of group 17 have 7 valence electrons. Hence they are __________________
  12. 17. Nuclear charge ______________ across a period