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in Periodic Table and Electronic Configuration by (37.8k points)
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Identify the incorrect electronic configurations and correct them. 

i) 1s2 2s2 2p3 

ii) 1s2 2s2 2p6 3s1 

iii) 1s22s2 2p6 2d7 

iv) 1s2 2s2 2p6 3s2 3p6 3d4

1 Answer

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Best answer

iii) 1s22s2 2p6 3s23p5

iv) 1s2 2s2 2p6 3s2 3p6 4s23d2

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