Potassium atom is larger than sodium atom. Why ? – InterviewSolution

1.	Potassium atom is larger than sodium atom. Why ?
Answer» Potassium is placed below sodium in group 1. It, therefore has one more electron shell. Na atom has three electron shells (2, 8,1); K atom has four (2, 8, 8,1). So, potassium atom is bigger than sodium atom.

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