The radius of hydrogen atom in the ground state is 0.53 Å. The radius of Li2+ ion (atomic number = 3) in a similar state is
Which of the following statements do not form a part of Bohr’s model of hydrogen atom ?
The spectrum of He is expected to be similar to that of
The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant = 1.097×107 m–1)
The frequency of radiation emitted when the electron falls from n = 4 to n = 1 in a hydrogen atom will be (Given : ionization energy of H=2.18 ×10–18 J atom–1 and h = 6.625 × 10–34 J s )
The Bohr orbit radius for the hydrogen atom (n = 1) is approximately 0.530 Å. The radius for the first excited state (n = 2) orbit is (in Å)
Which of the following transitions of electrons in the hydrogen atom will emit maximum energy?
According to Bohr's theory, the angular momentum of an electron in 5th orbit is
Which of the following pairs is correctly matched?
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1; hence the energy of fourth Bohr orbit would be:
