Consider the ground state electronic configurations given below and answer the following.
`A : 1s^2 2s^2 2p^5` ,`B : 1s^2 2s^2 2p^4` , `C : 1s^2 2s^1`, `D : 1s^2 2s^2 2p^6 3s^1`, `E : 1s^2 2s^2 2p^6`
Arrange these configurations in order of increasing I.E.

Consider the ground state electronic configurations given below and answer the following. A : 1s^2 2s^2 2p^5 , B : 1s^2 2s^2 2p^4 , C : 1s^2 2s^1 , D : 1s^2 2s^2 2p^6 3s^1 , E : 1s^2 2s^2 2p^6 Which of the above configuration is associated with highest and which is with lowest ionisation enthalpy?

Complete the following: ……………. = 1s^2 2s^2 2p^6 3s^2 3p^3

Find the wrong electronic configurations fromthefollowing. Whatiswrongin them? 1s^2, 2s^2, 2p^6, 3s^2, 3p^2 .

Pick out the wrong subshell electronic configuration from those given below? a) 1s^2 2s^2 2p^7 b) 1s^2 2s^2 2p^2 c) 1s^2 2s^2 2p^6 3s^1 d) 1s^2 2s^2 2p^6 3s^2 3p^6 3d^2 4s^1 e) 1s^2 2s^2 2p^6 3p^6 3d^2 4s^2

Pick out the wrong ones from the subshell electronic configuration given below: 1s^2 2s^2 2p^2

Pick out the wrong ones from the subshell electronic configuration given below: 1s^2 2s^2 2p^7

The electronic configuration of the elements are given below. A- 1s^2 2s^2 2p^6 3s^2 3p^4 B- 1s^2 2s^2 2p^6 3s^2 C- 1s^2 2s^2 2p^6 3s^2 3p^5 D- 1s^2 2s^2 2p^6 3s^1 Which of these elements show +2 oxida-tion state?

The electronic configuration of the elements, are given below. A- 1s^2 2s^2 2p^6 3s^2 3p^4 B- 1s^2 2s^2 2p^6 3s^2 C- 1s^2 2s^2 2p^6 3s^2 3p^5 D- 1s^2 2s^2 2p^6 3s^1 Which metal belongs to 17^(th) group?

The electronic configuration of the eleme-nts, A,B,C,D are given below. 1s^2 2s^2 2p^6 3s^2 3p^4 , 1s^2 2s^2 2p^6 3s^2 , 1s^2 2s^2 2p^6 3s^2 3p^5 , 1s^2 2s^2 2p^6 3s^1 Which of these elements can form basic oxides?