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  3. An element R forms the highest oxide R_{2}O_{5} . R belong to
# Engineering

An element R forms the highest oxide R_{2}O_{5} . R belong to

Answers (1)
S Satyajeet Kumar

Since element from the oxide of type $R_{2} O_{5}$ . it shows that $\mathrm{R}$ has alency of S.so,it must be a group
15 element which has $5 e^{-}$ s in its valence shell.

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