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What is Atomic Weights: Not Constants Anymore about?
The document discusses the evolution of atomic weights, which were once considered constants of nature but are now recognized as variable due to advances in chemical instrumentation and isotopic analysis. It details the historical context, the role of the International Union of Pure and Applied Chemistry (IUPAC), and the impact of isotopic variations on atomic weight measurements. The Commission on Atomic Weights and Isotopic Abundances has since adopted a new method of presenting atomic weights as interval
- Author
- hunapark06
- Language
- EN