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Question

What is oxidation state of Scandium?


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Solution

  1. ScandiumSc is a transition metal having atomic number 21.
  2. Electronic Configuration is Ar3d14s2.
  3. It is a d block element having one electron in its d orbital and two electrons in the s orbital. So it loses its outer three electrons due to this its oxidation state is+3.
  4. On releasing two electrons from s orbital Scandium forms+2 an oxidation state. But it is very difficult to form a chemical species.
  5. Sometimes Scandium forms +1 an oxidation state but it needs very high energy.

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