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Questions  >>  CBSE XII  >>  Physics  >>  Nuclei
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The three stable isotopes of neon :Ne20,Ne21,Ne22 have respective abundances of 90.51%,0.27% and 9.22% . The atomic masses of three isotopes are 19.99 amu , 20.99amu and 21.99amu Obtain the average atomic mass of neon .

19.45amu19.54amu20.45amu20.54amu
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