Question

why do scandium doesn't exhibit variable oxidation state

Answer 1

Transition elements are those elements which have d electrons in their ground state or in their commonly occuring oxidation state. As Scandium has d electrons in its ground state therefore it is a transition element.

Answer 2

Answer:

Transition elements are those elements which have d electrons in their ground state or in their commonly occuring oxidation state. As Scandium has d electrons in its ground state therefore it is a transition element.