Question

on what ground you will say that scandium a transition metal​

Answer 1

Transition elements are those in which, the electrons are progressively filled in d-orbitals so as in Scandium, the Sc-atom has 3d1 configuration in its ground state and so, it is called as transition metal but in Zinc, the Zn atom has 3d10 4s2 configuration and its oxidation states also have 3d10 configuration

Answer 2

D block in Modern Periodic table includes mostly some metals which are known as Transition metals and scandium is one among d block of transition elements.

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