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Chemistry
Which of the following ion is the smallest ion?
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Q. Which of the following ion is the smallest ion?
Classification of Elements and Periodicity in Properties
A
$O^{+}_{2}$
100%
B
$O_{2}$
0%
C
$O_{2}^-$
0%
D
$O^{-2}_{2}$
0%
Solution:
Cation has smaller size than parent atom and anion has greater size than parent atom