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Why do we write the electronic …

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Why do we write the electronic configuration of Sc(example) like [Ar] 3d¹4s²? Why not [Ar] 4s²3d¹ ?

    • Posted by Tanisha Chawla 3 years, 11 months ago

    CBSE > Class 11 > Chemistry
    • 1 answers

    Rajvi Bujad 3 years, 11 months ago

    Because this is how we arranges them. 4s²3d¹is also right but to make easy we generally prefer 3d¹4s²

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