Atomic weights: No longer constants of nature

Chemistry International
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Abstract

Many of us were taught that the standard atomic weights we found in the back of our chemistry textbooks or on the Periodic Table of the Chemical Elements hanging on the wall of our chemistry classroom are constants of nature. This was common knowledge for more than a century and a half, but not anymore. The following text explains how advances in chemical instrumentation and isotopic analysis have changed the way we view atomic weights and why they are no longer constants of nature
Publication type Article
Publication Subtype Journal Article
Title Atomic weights: No longer constants of nature
Series title Chemistry International
Volume 33
Issue 2
Year Published 2011
Language English
Publisher IUPAC
Contributing office(s) Branch of Regional Research-Eastern Region, Toxic Substances Hydrology Program
Description 6 p.
First page 10
Last page 15
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