Classification ...

The outer electronic configuration of f - Block elements are:

The correct order for the increase in atomic radii is

The correct order for the decrease in atomic radii is

One of the following has ns¹ as its outermost electronic configuration

Right order of increasing metallic character is:

The elements charecterised by the filling of 4 f-orbitals, are:

One of the following options is not used for explaining atomic radius

The correct increasing order of atomic radii for the same element is ____ ?

Which one of the following molecules represents  the increasing order of bond length ?

Choose one of the following in the increasing order of electron gain enthalpy