atomic-structure

Related Questions

• The number of electrons and neutrons of an element is $18$ and $20$ respectively. Its mass number is

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• The nitride ion in lithium nitride is composed of

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• The frequency of radiation emitted when the electron falls from $n = 4$ to $n = 1$ in a hydrogen atom will be (Given ionization energy of H$ = 2.18 \times {10^{ - 18}}J\,\,\,{\rm{ato}}{{\rm{m}}^{ - 1}}$and $h = 6.625 \times {10^{ - 34}}Js$)

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• Ratio of radii of second and first Bohr orbits of $H$ atom

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• The postulate of Bohr theory that electrons jump from one orbit to the other, rather than flow is according to

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