For a given principal level n = 4, the energy of its subshells is in the order
READ MORE +Atomic Structure MCQs
In which of the following Bohr’s stationary state, the electron will be at maximum distance from the nucleus?
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The ionisation potential of a hydrogen atom is –13.6 eV. What will be the energy of the atom corresponding to n = 2
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The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1; hence the energy of fourth Bohr orbit would be
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Atoms with same mass number but different atomic numbers are called
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Number of protons, neutrons and electrons in the element 89X231 is
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In a multi – electron atom, which of the following orbitals described by the three quantum numbers will have the same energy in the absence of magnetic acid and electric fields?
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Calculate the wavelength (in nanometer) associated with a proton moving at 1.0 × 103 ms−1
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The set of quantum numbers for the outermost electron for copper in its ground state is
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In an atom, an electron is moving with a speed of 600 m/s with an accuracy of 0.005%. Certainity with which the position of the electron can be located is
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The maximum number of electrons that can have principal quantum number, n = 3, and spin quantum number, ms =, is
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The pair of species with the same bond order is
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