Elements X, Y, and Z belong to IA group of the periodic table. Their a – InterviewSolution

1.	Elements X, Y, and Z belong to IA group of the periodic table. Their atomic radii are as follows. X → 1.33 Å, Y → 0.95 Å, Z → 0.60 Å. Arrange the elements in the increasing order of atomic number by giving reason.
Answer» As we move from top to bottom in a group, atomic size increases and atomic number also increases. So the correct increasing order is Z, Y, X.

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