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Tardigrade
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Chemistry
The correct order of radii is
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Q. The correct order of radii is
Classification of Elements and Periodicity in Properties
A
$N<\,Be<\,B$
B
$F^{-}<\, O^{2-}<\,N^{3-}$
C
$N<\, Li<\, K$
D
$Fe^{3+}<\, Fe^{2+}<\, Fe^{4+}$
Solution:
Among the isoelectronic species, the size increases as the negative charge increases.