Q. Isotopes have same

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Q. Instrument use to measure exact 'atomic masses' is

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Q. John Dalton evidenced existence of atoms in

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Q. Instrument use to collect ions is

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Q. Atomic mass of phosphorus is

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Q. Gas molecules differ in their diameters from distance by

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Q. Theoretical yield is decreased by

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Q. Properties in which isotopes differ are

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Q. Value of molar volume is

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Q. Atomic mass is mass of carbon taken as

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Q. Species having a negative or positive charge are

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Q. Relative atomic mass of Cu is

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Q. Example of atom having single isotope is

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Q. Products which are obtained in a chemical reaction is

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Q. Isotopes of calcium are

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Q. Isotopes differ in number of

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Q. In ionization chamber vapors are bombarded with fast moving

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Q. In mass spectrometer M/E is plotted on

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Q. Metals usually form

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Q. A negative ion is called as

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