Question

both cu and zn have filled 3d atomic orbital cu is considered as a transition element but Zn is not​

Answer 1

Answer:

my answer is Zn as no unpaired electrons so it is not considered as transition element

Answer 2

Answer:

Zn loses 2 electrons from its 4S subshell to form Zn²+ cation. Although copper also has 10 electrons in its d-subshell but it can lose 2 electrons to form Cu²+ cation, 1 electron from 4s and 1 electron from 3d subshell leading to 3d9 configuration. Hence copper is a transition element, whereas zinc is not.

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