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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Q. A molecule is a smallest particle which can exist

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Q. Gram atomic mass of usually occurring uranium is

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Q. Molecule of methane contains four

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Q. First spectrometer used to determine isotopes was

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Q. Number of isotopes of tin is

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Q. Molecular ions are generated by passing

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Q. Isotopes of cadmium are

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Q. Phenomenon of isotopy was discovered by

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Q. Molecular formula is determined by multiplying n with

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