Chemistry, asked by AsimRiaz, 4 months ago

answer the following​

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Answered by dsonijsvp
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The 4s electrons are lost first followed by one of the 3d electrons. ... The electrons lost first will come from the highest energy level, furthest from the influence of the nucleus. So the 4s orbital must have a higher energy than the 3d orbitals.

The Order of Filling Orbitals

d-block elements

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