The d- and f- B...

Transition metals are often paramagnetic owing to:

Amphoteric behaviour is shown by the oxides of:

Stable electronic configuration of a transition metal is:

The magnetic moment of $$[Cu(NH_{3})_{4}]^{2+}$$ was found to be 1.73 B.M. The number of unpaired electrons in the complex is:

Potassium dichromate can be prepared by:

The starting element in the incomplete period of long form of periodic table

The correct order of atomic radii is:

An atom of element has $$2K, 8L$$ and $$3M$$ electrons. Then the element belongs to :

Match list-I with a list -II.
                    List I                                  List II
(A) Lanthanide contraction              (p) s-block
(B) Diagonal relationship                 (q) Elements of 3rd period
(C) Typical elements                        (r) f-block
(D) Inner transition elements           (s) Be-Al

Iron sheets are covered with a layer of zinc i.e., galvanized mainly to: