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