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The unpaired electrons in Al and Si are present in 3p orbital. Which electrons will experience more effective nuclear charge from the nucleus?

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Configuration of the two elements are:
Al (Z = 13): [Ne]103s23p1; Si (Z = 14) : [Ne]103s23p2
The unpaired electrons in silicon (Si) will experience more effective nuclear charge because the atomic number of the element Si is more than that of Al.

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