Effective nuclear charge can be calculated as:
For B (3 valence electrons):
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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