atomic-structure

Related Questions

• The emission spectrum of hydrogen is found to satisfy the expression for the energy change. $\Delta E$ (in joules) such that $\Delta E = 2.18 \times 10\left( {\frac{1}{{n_1^2}} - \frac{1}{{n_2^2}}} \right)\,\,J$ where ${n_1}$ = 1, 2, 3….. and ${n_2}$ = 2, 3, 4……. The spectral lines correspond to Paschen series to

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• The uncertainty in momentum of an electron is $1 \times {10^{ - 5}}kg\,m/s$. The uncertainity in its position will be $(h = 6.63 \times {10^{ - 34}}Js)$

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• The atomic weight of an element is double its atomic number. If there are four electrons in $2p$ orbital,the element is

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• The radius of electron in the first excited state of hydrogen atom is

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• The proton and neutron are collectively called as

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