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RRB Group D 16 Sep 2022 Shift 3 Solved Paper

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Question : 15

Total: 100

Arrange the following element of group I in the decreasing order of their atomic radii. Atomic numbers are given in parentheses.
Li (3), K (19), Cs (55), Na (11), Rb (37)

Cs > Rb > K > Li > Na
Cs > Rb > Na > K > Li
Cs > Rb > K > Na > Li
Cs > Rb > Li > K > Na

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