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Compare the radii of H atom, H^(+) ion a...

Compare the radii of H atom, `H^(+)` ion and `H^(-)` ion.

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`H^+` is the nucleus of H atom . Its radius is very small. `H^-` ion has number of electrons more thab number of protons. Its size is more than that of H atom. The radius is in the order : `H^+ lt lt H lt H^(-)`
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