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1 Nov 2021

Given information

Cs+ and I- are given. Larger species from Cs+ and I- must be selected.

Step-by-step explanation

Step 1.

In the periodic table, atomic size decreases from left to right across a period. Because with the increasing atomic number the electrons are added in the same shell and no new shell is included. This causes an increase in effective nuclear charge due to which size decreases. On the other hand, atomic size increases from top to bottom across a group due to the inclusion of new shells in each group.

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Principles of Chemistry Molecular Approach
3rd Edition, 2014
Tro
ISBN: 9780321971944

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