Accurate mass of the the isotopes: periodicity

This gives the accurate masses of naturally occurring isotopes for each element.




The values in brackets are uncertainties in the values.

Literature sources

  1. I. Mills, T. Cvitas, K. Homann, N. Kallay, and K. Kuchitsu in Quantities, Units and Symbols in Physical Chemistry, Blackwell Scientific Publications, Oxford, UK, 1988.

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