1.

{:("Column A"," Column B "),("a. s & p-block"," i. Inner transition elements"),("b. d-block"," ii. s-block elements"),("c. f-block"," iii.Transition elements"),("d. group-1 and group-2" ,"iv. Representative elements"):}

Answer»


Answer :a.(IV), b.(III), C.(i), d.(II)


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