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1900's Physics and Wave

Calculate the...

Question

Calculate the radius of Bohr's 3rd orbit in $L i^{2 +}$ ion

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Solution

Radius of the Bohr's orbit is given by,
$r = \frac{n^{2} h^{2}}{4 π^{2} m Z e^{2}}$
Substituting values of $h, m,$ $Z = 4$ and $n = 3$ for lithium and $e$ the electronic charge $r$ may be calculated as,
$r = 1.07 A^{0}$

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