Structure of Atom questions
799 published questions with worked solutions.
- If the energy of an electron in the first Bohr orbit of the H-atom is -2.18 x 10^ -18 J then the energy of the electron in the...
- Which of the following pairs represents isobars?
- Calculate the wave number of photon emitted during transition from the orbit of n = 3 to n = 2 in hydrogen atom ( R_H = 109677...
- Find the number of orbitals and maximum electrons respectively presents on M shell?
- Calculate radius of third orbit of He^+.
- If the velocity of the electron in Bohr's first orbit is 2.19 10^ 6 m s ^ -1 , Calculate the de Broglie wavelength associated...
- Calculate the de Broglie wavelength of an electron in the first Bohr orbit of a hydrogen atom if the velocity of an electron in...
- Calculate the radius of first orbit of Li^ ++
- What is the total number of orbitals present in N shell?
- What is the energy of an electron in a hydrogen atom in a stationary state corresponding to n = 2 ?
- Which of the following series of emission spectral lines for hydrogen observed in visible region ?
- Which of the following species contain 20 electrons?
- Find the energy of third stationary orbit of Bohr's model of hydrogen atom if the energy of ground state is -E J
- What is uncertainty in velocity of an electron if uncertainty in measurement of position is 50 pm ? (m_e = 9.1 x 10^ -31 kg, h =...
- What is the wavenumber of the photon emitted during transition from the orbit n = 5 to that of n = 2 in hydrogen atom? [R_H =...
- What is the wave number of lowest transition associated with Paschen series?
- " No two electrons in an atom can have the identical set of four quantum numbers." The statement is known as
- Calculate the energy associated with third orbit of He^+ .
- Identify pair of orbitals having similar (n+l) values from the following.
- Which from following statements is NOT true about isotopes?
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