Energy level diagram for Ni2+. why the electrons are taken from s orbital but not d orbital?

2 answers:

8 0

Because in this case the s-orbital you mean has a higher energy level (n=4) than the mentioned d-orbital (n=3). That means the s-orbital will loose the electrons first (the valence electrons are in n=4, so they will be the first to go way)

tia_tia [17]3 years ago

4 0

<span>For transition metals, electrons often move from lower orbitals to higher orbitals to have have filled sub-shells.
This is also an explanation for a few of the oxidation states.
Having half filled or completely filled sub-shells make the metals more stable.</span>

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<h3>Further explanation</h3>

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