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Compared to the atomic radius of a sodium atom, the atomic radius of a potassium atom is larger. The larger radius is primarily a result of the potassium atom having:______________.

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abiolaraymond1995

Answer:

an Additional shell

Explanation:

Potassium has an additional energy level when compared to sodium. This is due to an extra shell added. In the periodic table when you go down the group, the atomic radius increases due to increasing energy levels.

The atomic radius mean the distance from the center of the nucleus to the valance shell. it actually describes the size of the atom

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