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Question

The electronic configuration of Sc is:

A
1s22s22p63s23p64s23d1
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B
1s22s22p63s23p63d3
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C
1s22s22p63s23p64s13d2
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D
1s22s22p63s23p64s23d3
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Solution

The correct option is A 1s22s22p63s23p64s23d1
Scandium has an atomic number of 21.
Hence, the electronic configuration of Sc = 1s22s22p63s23p64s23d1

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