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In group 1 of periodic table three elements X, Y, Z have ionic radii 1.33 angstrom, 0.95 angstrom and 0.60 angstrom resp. By giving reason arrange them in increasing atomic number in the group.

In group 1 of periodic table three elements X, Y, Z have ionic radii 1.33 angstrom, 0.95 angstrom and 0.60 angstrom resp. By giving reason arrange them in increasing atomic number in the group.

Grade:10

1 Answers

Vikas TU
14149 Points
7 years ago
Down the group we know that the radii increases.
Therefore,
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.

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