Which among the following electronic configurations belong to main group elements?
A. $[\mathrm{Ne}

Question

Which among the following electronic configurations belong to main group elements? 
A. $[\mathrm{Ne}] 3 s^1$ 
B. $[\mathrm{Ar}] 3 d^3 4 s^2$ 
C. $[\mathrm{Kr}] 4 d^{10} 5 s^2 5 p^5$ 
D. $[\mathrm{Ar}] 3 d^{10} 4 s^1$ 
E. $[\mathrm{Rn}] 5 f^0 6 d^2 7 s^2$
Choose the correct answer from the option given below :

Professor PC Thomas Classes · Answer

(d) : The $p$-block elements together with $s$-block elements are known as representative elements or main group elements.