The element having electronic configuration `1s^2` `2s^1` is

The element having the electronic configuration 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(2) is :

The element having the electronic configuration 1s^(2),2s^(2)2p^(6),3s^(2)3p^(1) is

Find out the group of the element having the electronic configuration, 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6)3d^(6)4s^(2) .

An element having electronic configuration 1s^2 2s^2 2p^6 3s^2 3p^6 3d^(10) 4s^1 is related to which block in the periodic table:

An element having electronic configuration is 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3P^(6) 4s^(1) will form:

The element that has an electronic configuration of 1s^2 2s^1 will be ______

An element having electronic configuration 1s^(2)2s^(2) 2p^(6)3s^(1) will form:

An element having electronic configuration 1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)4s^(1) will form-