File:Langmuir valence.png

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DescriptionLangmuir valence.png	The positive and negative valences (oxidation states) of the elements in 1919.
Date	1919
Source	THE ARRANGEMENT OF ELECTRONS IN ATOMS AND MOLECULES. Irving Langmuir J. Am. Chem. Soc.; 1919; 41(6) pp 868 - 934; doi:10.1021/ja02227a002
Author	Irving Langmuir

Public domain	This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1930, and if not then due to lack of notice or renewal. See this page for further explanation.	United States
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	Date/Time	Thumbnail	Dimensions	User	Comment
current	09:29, 5 February 2008		1,033 × 279 (68 KB)	Itub	{{Information \|Description=The positive and negative valences (oxidation states) of the elements in 1919. \|Source=THE ARRANGEMENT OF ELECTRONS IN ATOMS AND MOLECULES. Irving Langmuir J. Am. Chem. Soc.; 1919; 41(6) pp 868 - 934; DOI: 10.1021/ja02227a002 \|D

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