CIAAW may publish changes to atomic weights (including its precision and derived values). Since 1947, any update this is done in odd years nominally; the actual date of publication may be some time later.
{{CIAAW2009}}
(introducing interval notation; Ge):{{CIAAW2011}}
(interval for Br, Mg):{{CIAAW2013}}
(all elements listed):{{CIAAW2015}}
(ytterbium changed):{{CIAAW2017}}
(14 values changed):{{CIAAW2021}}
(all elements listed); (4 values changed; introduced new symbol; merge "conventional" into "abridged" columns; change uncertainty notation (use "±")About notation and handling of the uncertainty in the values, including those in [ ] range values:
Outdated references
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