Which element is bigger in size, lithium (Z = 3) or Sodium (Z = 11) an – InterviewSolution

InterviewSolution

1.	Which element is bigger in size, lithium (Z = 3) or Sodium (Z = 11) and why?
Answer» Solution :Lithium (Li) atom has only TWO SHELLS K and L in it, whereas a sodium (Na) atom has THREE shells KL and M. Since a sodium atom has one more shell than a lithium atom, itis bigger in size

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