Question: Explain, using the electron configurations of the elements and ions, why iron is a transition metal but scandium is not, even though they are both

Explain, using the electron configurations of the elements and ions, why iron is a transition metal but scandium is not, even though they are both d block elements.

Write the electronic configurations of vanadium, chromium, nickel and copper. Explain why copper and chromium have unexpected electronic configurations.

Give the electronic configurations of the following transition metal ions:

Cr3+

Mn2+

Cu2+

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