Which of the 2nd period elements closer to the configuration of inert gas?

Some elements belonging to second period of periodic table , and their atomic radii are given below .Observe them and write answers . Which of the 2^(nd ) period elements closer to the configuration of inert gas ?

H_2 molecule has the configuration of the inert gas

Which element has duplet configuration?

Which are the noble gas elements ?

The general valence shell configuration of inert gas is………..

Which of the following electronic configuration corresponds to an inert gas?

Which of the following electronic configuration corresponds to an inert gas ?

Which element has electronic configuration of 1s^2 2s^2 2p^6 ?