1) We say that electrons in the 3d orbital are "better shielded" than those in the...

1) We say that electrons in the 3d orbital are "better shielded" than those in the 3p orbital.

a) what does this mean?

b) are the electrons in the 3d orbitals better shielded by electrons in the 2p orbital or int he 3p orbital?

c) Based on fundamental physics principles not slater's rule, is it possible for electrons in the 4s orbital to partially shield an electron in the 3p orbital?

Expert Solution

a. This is due to the screening or shielding effect. The 3p orbital spends more time near the nucleus in comparison to 3d orbital that means that 3p orbital is more tightly bound to the nucleus than 3d. Hence electrons in 3d are more shielded than 3p .

b. Electrons in 3d orbital are better shielded than those in 3p or 3s

c. By Aufbau principle, the 3p orbital has lower energy than 4s orbital so it is filled first. 4s can shield an electron partially

queen_honey_blossom answered 2 years ago

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