Answer the following on the basis of modern periodic table.
CHEMISTRY · Multi-part · CBSE · Chemistry · Classification of Elements and Periodicity in Properties · Classification of Elements and Periodicity in Properties
Problem
Answer the following on the basis of modern periodic table.
(I) Group no. of the elements with the valence shell ground state electron configuration ns2np5
(II) Group no. of the elements with the valence shell ground state electron configuration ns2np3
(III) Group no. of the elements that have only three unpaired p electron in ground state
(IV) Alkaline earth metals
(V) Group 3A elements