Compare the chemistry of actinoids with that of the lanthanoids with special reference to:

Compare the chemistry of actinoids with that of the lantlanoids with special reference to: i. electronic configuration ii. oxidation state iii. atomic and ionic sizes and iv, chemical, reactivity.

Compare the chemistry of actinides with that of the lanthanoids with special reference to electronic Configuration.

Compare the chemistry of actinoids with that of the lanthanoids with speqlal reference to :- Atomic and ionic sizes.

Compare the chemistry of actinides with that of the lanthanides with special reference to atomic and ionic sizes.

Compare the chemistry of actinides with that of the lanthanides with special reference to chemical reactivity.

(a) Write the structure of Cr_2O_7^(2-) Give two uses of K_2Cr_2O_7 . (b) Write note on interstitial compounds. (c) Compare the chemistry of actinoids with that of lanthanoids with special reference to: (i) Atomic sizes (ii) Chemical reactivity.