Transition metals and d-block elements

Electron configuration and ionisation energies

d-block elements are called so because their outermost electrons occupy the d orbital.

A transition metal is a d-block element that has one or more unpaired d-electrons in one of its ions.

The top row of the d-block includes the elemts Scandium to Zinc. How do we know which are transition metals?

Scandium forms Sc3+ as its only ion, the…


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