Structure of Atom questions
799 published questions with worked solutions.
- Which transition in the hydrogen atomic spectrum will have the same wavelength as the transition n=4 to n=2 of the He ^+...
- Bohr's radius of the 2nd orbit of Be ^ 3+ is equal to that of **[Indraprastha CET 2009, CG PET 2009]**
- The energy of an electron in the first Bohr orbit of a H-atom is -13.6 eV . The possible energy value of the electron in the...
- Which of the following statements does not form a part of Bohr's model of the hydrogen atom? **[DCE 2005]**
- The radius of the second Bohr's orbit of a hydrogen atom is **[Manipal 2004]**
- The energy of the second Bohr orbit of the hydrogen atom is -328 kJ mol ^ -1 ; hence the energy of the fourth Bohr orbit would be...
- The radius of hydrogen atom in the ground state is 0.53 Å . The radius of the Li ^ 2+ ion (atomic number =3) in a similar state...
- The scientist who proposed the atomic model based on the quantization of energy for the first time is **[J&K CET 2008]**
- The radius of the first Bohr orbit of the hydrogen atom is 0.529 Å . The radius of the third orbit of the hydrogen atom will be
- The energy of the electron in the first Bohr orbit of hydrogen is -13.6 eV . The energy of the electron in its first excited...
- The Bohr's orbit radius for the hydrogen atom (n=1) is approximately 0.53 Å . The radius for the first excited state (n=2) orbit...
- The radius of hydrogen atom in the ground state is 0.53 Å . The radius of _3 Li ^ 2+ is of
- In Bohr's series of lines of the hydrogen spectrum, the third line from the red end corresponds to which one of the following...
- Deflection back of a few particles on hitting a thin foil of gold shows that **[Manipal 2008]**
- Ionisation energy of He ^+ is 19.6 10^ -18 J atom ^ -1 . The energy of the first stationary state (n=1) of Li ^ 2+ is **[AIEEE...
- What is the lowest energy of the spectral line emitted by the hydrogen atom in the Lyman series? (h= Planck's constant, c=...
- The value of the Rydberg constant is **[J&K CET 2007]**
- The radius of the first Bohr orbit of hydrogen atom is 0.529 Å . The radius of the third orbit of the hydrogen atom will be
- If the electron of a hydrogen atom is present in the first orbit, the total energy of the electron is
- The first emission line in the electronic spectrum of hydrogen in the Balmer series appears at **[J&K CET 2003]**
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