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An element has electronic configuration \( 1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{4} \).
(a) Period \( =3^{\text {rd }} \), block \( =p \), group \( =16 \)
(b) Period \( =5^{\text {th }} \), block \( = \) s, group \( =1 \)
(c) Period \( =3^{\text {rd }} \), block \( =p \), group \( =10 \)
(d) Period \( =4^{\text {th }} \), block \( =d \), group \( =12 \)
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