In Hydrogen atom, energy of first excited state is – 3.4 eV. Then find out KE of same orbit of Hydrogen atom
READ MORE +Atomic Structure MCQs
A body of mass 10 mg is moving with a velocity of 100 ms-1. The wavelength of de-Broglie wave associated with it would be (Note: h = 6.63 × 10-34 Js)
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Consider the ground state of Cr atom (Z = 24). The numbers of electrons with the azimuthal quantum numbers, l = 1 and 2 are, respectively
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The electrons of the same orbitals can be distinguished by
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The electronic configuration of silver atom in ground state is
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The magnetic quantum number specifies
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In the ground state, an element has 13 electrons in its M-shell. The element is_____
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The ionization enthalpy of hydrogen atom is 1.312 × 106 J mol-1. The energy required to excite the electron in the atom from n = 1 to n = 2 is
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Which one of the following sets of ions represents a collection of isoelectronic species? (Atomic nos.: F = 9, Cl = 17, Na = 11, Mg = 12, Al = 13, K = 19, Ca = 20, Sc = 21)
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The increasing order (lowest first) for the values of e/m (charge/mass) for
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or a given principal level n = 4, the energy of its subshells is in the order
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Which of the following statements in relation to the hydrogen atom is correct?
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