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The relationship between energy of a radiation and its frequency was given by
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Argon is isoelectronic with
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rays are a stream of
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The fundamental particle that has least mass is
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The interrelationship between matter and energy was given by
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The angular momentum of the moving electron is equal to
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Isotones have same
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The ion that is isoelectronic with CO is
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For a given energy level the number of orbitals is equal to
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Which of the following has the highest mass?
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The number of unpaired electrons in fluorine atoms is/are
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The atomic structure of an atom of an element is Is . The element is
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The exchange of particles considered responsible for keeping the nucleons together are
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Which of the following atoms has a non-spherical outermost orbital.
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The maximum number of electrons in a sub-energy level is equal to
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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 number of unpaired electrons in a chromic ion (atomic number 24) is
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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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The number of unpaired electrons in the ground state of chromium is
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The corect set of quantum numbers for the impaired electron of fluorine atom is
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Frequency of the wave having wave number 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 correct set of quantum numbers for the impaired electron of fluorine atom is
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The number of neutrons present in are
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The wavelength of an electron moving with a velocity
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The charge on an atom of is
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Mass of positron is the same to that of
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Wave number is defined as
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Charge on an electron was shown by
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In Lyman series an electron jumps from higher energy level to