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From the ground state electronic configuration of the elements given below, pick up the one with highest value of second ionization energy :
(a) \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} \)
(b) \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{1} \)
\( \mathrm{P} \)
(c) \( 1 s^{2} 2 s^{2} 2 p^{6} \)
(d) \( 1 s^{2} 2 s^{2} 2 p^{5} \)
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