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in Structure of Atom by (40 points)
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Write electronic configuration with orbital notation of following elements 

1. Magnesium (Z=12)

2. Scandium (Z=21)

3. Nitrogen (Z=7)

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1 Answer

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Magnesium (Mg) → [Ne] 3s2

Scandium (Sc) → [Ar] 3d1 4s2 

Nitrogen (N) → [He] 2s2 2p3

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