Problem: Which electrons experience the greatest effective nuclear charge?(a) the valence electrons in Mg(b) the valence electrons in Al(c) the valence electrons in S

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Recall that the effective nuclear charge is the force exerted by the nucleus onto an electron.


There is a periodic trend for Zeff: it increases from left to right and decreases down a period in the periodic table. The given elements are:

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Problem Details

Which electrons experience the greatest effective nuclear charge?
(a) the valence electrons in Mg
(b) the valence electrons in Al
(c) the valence electrons in S

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