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Complete the following : (a) ...........

Complete the following :
(a) `........=1s^(2)2s^(2)sp^(6)3s^(2)3p^(3)` , (b) `X^(n+)(Z=26)=1s^(2)2s^(2)2p^(6)3s^(2)3p^(6) 3d^(5)`
(c)`Fe^(2+)=1s^(2)2s^(2)2p^(6)3s^(2)3p^(6)3d^(?)4s^(?)` , (d) `O^(2-)=1s^(2)2s^(2)2p?`

Text Solution

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(a) `P = 1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(3)` , (b) `X^(3+)=1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(5)`
(c) `Fe^(2+)=1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(6) 4s^(0)` , (d) `O^(2-) = 1s^(2) 2s^(2) 2p^(6)`.
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