Related Questions
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For a given energy level the number of orbitals is equal to
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Wave number is defined as
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A dipositive ion has in the K shell, 8 e~ s in the L shell and in the M shell. Atomic number of Z is
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4
The maximum number of electrons in a sub-energy level is equal to
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The exchange of particles considered responsible for keeping the nucleons together are
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No two electrons in an atom can have the same values of all four quantum numbers according to
C. Pauli's exclusion principle
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The correct set of quantum numbers for the impaired electron of fluorine atom is
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The wavelength of an electron moving with a velocity
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The number of neutrons in the deuterium atom is
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The atomic number of an element having the valence shell electronic configuration is
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Frequency of the wave having wave number is
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The angular momentum of the moving electron is equal to
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The velocity of a photon is
A. dependent on its wavelength
B. dependent on its source
C. equal to cube of its amplitude
D. independent of its wavelength
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The relationship between energy of a radiation and its frequency was given by
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The number of unpaired electrons in the ground state of chromium is
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The ion that is isoelectronic with CO is
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In Lyman series an electron jumps from higher energy level to
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Charge on an electron was shown by
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When the electron is excited from K level to M level we get
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Davisson and Germer gave an experimental evidence for
A. wave nature of electron
B. particle nature of electron
C. particle nature of light
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The number of unpaired electrons in a chromic ion (atomic number 24) is
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In the case of atomic spectrum of hydrogen which series of lines lie in the visible region?
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The wavelength of an electron
A. is equal to that of light
B. remains constant with velocity
C. decreases with an increasing velocity
D. increases with an decreasing velocity
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The size of nucleus is
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The charge on an atom of is
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The fundamental particle that has least mass is
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The maximum number of electrons that can be accommodated by an atom in g-sub-energy level are
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Isotones have same
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Charge on fundamental particle neutrino is
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Which of the following atoms has a non-spherical outermost orbital.