Q. Ionic radii have same trend as of

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Q. Due to repulsive forces potential energy of system is

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Q. First ionization energy of hydrogen is

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Q. Amount of energy evolved in breaking of hydrogen bond as compared to formation of bond is

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Q. Increase in atomic number is associated with increase in

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Q. Electron affinity of carbon atom is

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Q. Valence electron of Li lies in shell

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Q. Element having low ionization energies are

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Q. Character of bonds which are formed between similar atoms are

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Q. First ionization energy of sodium is

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Q. The atomic radius of helium in pm is

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Q. transfer of electrons from higher energy state to a lower energy state is responsibility of

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Q. Elements having high ionization energies are

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Q. Increase in atomic radii in a group is due to increase in number of

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Q. Atomic number of chromium is

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Q. Fluorine is most

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Q. In period from left to right ionization energy is

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Q. Values of group IIA, VA and VII in every period is

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Q. Distance of 75.4 pm, where attractive forces dominate repulsive forces, that distance is called

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Q. Number f electrons in valence shell of noble gases is

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