Crossword on Periodic Table

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Across
  1. 3. name of elements with atomic number from 57 to 71
  2. 6. another name of Eka-aluninium
  3. 7. element which has highest electronegetivity
  4. 10. group with highest electron gain/ enthalpy
  5. 14. element with highest melting point
  6. 15. effective nuclear charge across the period (from left to right)
  7. 16. an alternate name for group 16
  8. 17. element with electronic configuration [Ne]3s^1
  9. 18. IUPAC name of element with atomic number 104
  10. 19. element which is most metallic in nature
Down
  1. 1. element with electronic configuration 1s^2 2s^2 2p^6 3s^2 3p^6
  2. 2. most radioactive element in group 2
  3. 4. Scientist who arranged elements in law of octaves
  4. 5. element present largely in milk
  5. 8. scientist who plotted a graph between the atomic volumes and atomic weight of the elements
  6. 9. element with highest ionisation enthalpy
  7. 11. element with highest melting point
  8. 12. used commonly for batteries
  9. 13. most electropositive element