d & f Block Elements

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Across
  1. 4. K2Cr2O7 is prepared from this ore
  2. 6. a transition element with maximum oxidation state
  3. 7. those in which small atoms occupy the sites in the crystal lattice.
  4. 8. a non transition element
  5. 11. 3d series of the transition metals exhibits the largest number of oxidation states
Down
  1. 1. There are 14 elements in this series, starting with cerium Ce (Z =58) to lutetium Lu (Z = 71).
  2. 2. KMnO4 is prepared from this ore
  3. 3. The elements following actinium, Ac (Z = 89), up to lawrencium (Z = 103), are called
  4. 5. an element which has incompletely filled d-orbitals in its ground state or any one of its oxidation states.
  5. 9. the cause due to which transition elements are coloured in nature
  6. 10. Substances containing unpaired electrons