Chemistry Practice Problems Orbital Diagrams Practice Problems Solution: Construct an orbital diagram to show the electron ...

Solution: Construct an orbital diagram to show the electron configuration for a neutral magnesium atom, Mg.

Problem

Construct an orbital diagram to show the electron configuration for a neutral magnesium atom, Mg.

Solution

We’re being asked to construct the orbital diagram for Mg. For that, we first need to determine the electron configuration of Mg.


Recall that for a neutral element, Atomic number = # of protons = # of electrons


The atomic number of Mg is 12 and since it’s a neutral element, this means Mg has 12 electrons.


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