Electronic configuration of sc21 is, Chemistry

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Electronic configuration of Sc21  is:

(1) 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1             

(2) 1s2, 2s2, 2p6, 3s2, 3p6, 4s1, 3d2         

(3)1s2, 2s2, 2p6, 3s2, 3p6, 4s0, 3d3         

(4) 1s2, 2s2, 2p6, 3s2, 3p2, 4s2, 3d2

Ans: 1s2, 2s2, 2p6, 3s2, 3p6, 4s2, 3d1

 


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