IUPAC Changes Standard Atomic Weights of 11 Elements

The standard atomic weight of germanium has been changed and the atomic weights of H, Li, B. C. N, O, Si, S, Cl, and Tl are expressed as an interval. For example, the standard atomic weight of carbon is expressed as 12.0096 ‚⧠Ar(C) ‚⧠12.0116. See Atomic weights of the elements 2009 (IUPAC Technical …