Related Questions
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Which elements is represented by the following electronic configuration?
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The charge on an atom of is
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In Lyman series an electron jumps from higher energy level to
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The number of unpaired electrons in fluorine atoms is/are
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Which of the following weighs the least?
B. 2 litres of at N.T.P.
C. molecules of
D. atoms of carbon
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If value of h is taken as , the de-Broglie wavelength of a particle of mass having velocity is
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The fundamental particle that has least mass is
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The wavelength of an electron moving with a velocity
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The orbitals with maximum number of possible orientation is:
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The number of neutrons present in 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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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 maximum number of electrons that can be accommodated by an atom in g-sub-energy level are
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Isotopes have different
A. arrangement of electrons
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The ion that is isoelectronic with CO is
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Isotones have same
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The interrelationship between matter and energy was given by
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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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Among the following ions, which are has the highest paramagnetism?
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rays are a stream of
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In an atom of hydrogen, which of the following orbitais has the lowest energy for an electron present in it?
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The relationship between energy of a radiation and its frequency was given by
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The atomic number of an element having the valence shell electronic configuration is
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The number of unpaired electrons in a chromic ion (atomic number 24) is
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The maximum number of electrons in a sub-energy level is equal to
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The atomic structure of an atom of an element is Is . The element is
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Charge on fundamental particle neutrino is
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Which of the following has the highest mass?
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The number of neutrons in the deuterium atom is
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Wave number is defined as