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Give the electronic configurations of : ...

Give the electronic configurations of :
(i_ Scandium (Z = 21)
(ii) Chromium (Z = 24)

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(i) `1s^(2) 2s^(2) 2p^(6) 3s^(2) 3p^(6) 3d^(1) 4s^(2)` (ii) `1s^(2) 2s^(2) 2p^(6) 3s^(2)3p^(6) 3d^(5) 4s^(1)`
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