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Shielding of Electrons: Estimating Zeff

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The shielding of electrons gives rise to an effective nuclear charge, Zeff, which explains why boron is larger than oxygen. Estimate the approximate Zeff felt by a valence electron of boron and oxygen, respectively:

a)+5 and +8
b)+3 and +6
c)+5 and +6
d)+3 and +8
e)+1 and +4

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Provides steps necessary to estimate Zeff.

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The effective nuclear charge is basically the number of protons in the nucleus minus ...

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