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#1 Federal
Four-place table of standard atomic weight values of hydrogen through uranium compared since 1961
- Organization: Department of the Interior
- Dataset Last Updated: September 08, 2022 at 12:00 AM
Four-figure standard atomic weights of the chemical elements are shown for 1961, 1975, 1983, 2007, 2009, 2011, 2013, 2015, and the current value for 2016. Values between 1975 and 2015 are only...
- xml
- xml
Search relevance: 1.00 | Views last month: 3 | Catalog Last Checked: August 01, 2026 at 06:15 AM

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