The managanese `(Z = 25)` has the outer configuration.

The penultimate shell of Francium (Z = 87) has the configuration

The penultimate shell of Francium (Z = 87) has the configuration

Two p -block elements x (outer configuration ns^(2) np^(3) ) and z (outer configuration ns^(2) np^(4) ) occupy neighbouring positions in a period. Using this information which of the following is correct with respect to their ionisation potential I_(x) and I_(z) .

Two p -block elements x (outer configuration ns^(2) np^(3) ) and z (outer configuration ns^(2) np^(4) ) occupy neighbouring positions in a period. Using this information which of the following is correct with respect to their ionisation potential I_(x) and I_(z) .

Which element has the electronic configuration 2,5?

Which one is the correct outer configuration of chromium.

The element that has outer electronic configuration 3d^5 4s^1 belongs to.

The alkali metals have an outer electronic configuration of

The elements with similar outer shell configuration are placed in a __

The radius of ""_(Z) M^(A) nucleus is (outer most configuration 3s^(2) 3p^(1) and A + Z = 40)