Four-place table of standard atomic weight values of hydrogen through uranium compared since 1961
收藏U.S. Geological Survey2016-01-01 更新2026-04-23 收录
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资源简介：
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 shown when there is a change in value with respect to the previous column.
创建时间：
2016-01-01
