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Q17
Q17
The size of atoms increases as one goes down a group.
X would be at the bottom position having larger radii among all the three, then Y above X and the from all of the top would be Z.
And the element thefore that would be at the top would have least atomic number, Therfore the increasing order for the atomic number would be
Z then Y then X.
Therefore, the three elements in order of increasing atomic numbers are Z< Y< X respectively.
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Therefore, the three elements in order of increasing atomic numbers are Z< Y< X respectively.
Post other question in a different thread
Regards