The electronic configuration of four elements is A: \( 1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \ma...
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0The electronic configuration of four elements is
A: \( 1 \mathrm{~s}^{2} 2 \mathrm{~s}^{2} 2 \mathrm{p}^{6} 3 \mathrm{~s}^{2} 3 \mathrm{p}^{4} \)
B : \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} \)
C: \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{1} \)
D : \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{2} \)
The element having maximum \( \mathrm{IE}_{2} \) is
(A) A
(B) B
(C) C
(D) \( D_{1} \)
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