🤓 Based on our data, we think this question is relevant for Professor Zhang's class at SCAR.
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:
Which electrons experience the greatest effective
(a) the valence electrons in Mg
(b) the valence electrons in Al
(c) the valence electrons in S
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Based on our data, we think this problem is relevant for Professor Zhang's class at SCAR.