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The general features of the structure of...

The general features of the structure of a hydrogen atom and hydrogen like species were quantitatively explained by Niels Bohr: Calculate the radius of the second orbit of `Li^(2+)` (Express the answer in nm)

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`r_n=(0.0529xxn^2)/znmthereforeofLi^(2+)=(0.0529xx2^2)/3nm=0.0705nm`
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  18. Give any two postulates of Rutherford’s nuclear model of an atom

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