The d- and f- B...

The electronic configuration of actinoids can not be assigned with degree of certanity because of :

Lanthanoid contraction implies :

Most of the man-made synthetic elements occur:

Arrange $$ Ce^{3+} , La^{3+} ,Pm^{3+}$$ and $$Yb^{3+} $$ in increasing order of their ionic radii:

The correct statement about the magnetic properties of $$[Fe(CN)_6]^{3-}$$ and $$[FeF_6]^{3-}$$ is: $$(Z=26)$$.

Which one of the following cyano complexes would exhibit the lowest value of paramagnetic behaviour?

The radius of $$ La^{3+} $$ (atomic number of $$La = 57$$) is $$ 1.06 \mathring{A} $$ which one of the following given values will be closest to the radius of $$ Lu^{3+} $$ (atomic number of $$Lu = 71$$)?

Ammonia solution dissolves fairly:

Among $$d-$$block elements, the most abundant element belongs to :

Which of the following is not the characteristic of transition metals?