In group 1 of the periodic table three elements X, Y and Z have atomic – InterviewSolution

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1.	In group 1 of the periodic table three elements X, Y and Z have atomic radii 133 pm, 95 pm and 65 pm respectively. Giving a reason, arrange them in the order of increasing atomic number in the group.
Answer» SOLUTION :Z Y X, because in a group the atomic SIZE increases with INCREASE in the atomic NUMBER.

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