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Find the radius of Li^(++) ions in its g...

Find the radius of `Li^(++)` ions in its ground state assuming Bohr 's model to be valid

Text Solution

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For hydrogen like ionthe radius of the nth orbit is
`a_(n)= (n^(2)a_(0))/(2)`
For `Li^(++) ,Z= 3` and in ground state `n = 1` , The radius is
`a_(1) = (53pm)/(3) = 18 pm`
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Knowledge Check

  • The radius of hydrogen atom, in the ground state is of the order of

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    C
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  • Energy of an atom at its ground state is _________ .

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    C
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