Chlorine naturally exists as two isotopes, \(_{17}^{35}\textrm{Cl}\) (chlorine-35) and \(_{17}^{37}\textrm{Cl}\) (chlorine-37). The abundance of chlorine-35 is 75% ...
In the 1950s, a nuclear-powered future seemed a certainty. The public had not been made aware of the dangers posed by radioactive material, any large-scale accidents involving nuclear reactors had ...
High-precision measurements of the mass of the deuteron, the nucleus of heavy hydrogen, provide new insights into the reliability of fundamental quantities in atomic and nuclear physics. This is ...
Thank you for bringing to my attention the recent International Union of Pure & Applied Chemistry report “Atomic weights of the elements 2009” (C&EN, Dec. 20 ...
An international team of physicists has measured the mass of a "strange" atomic nucleus with the aid of an innovative technique that is capable of significantly greater precision than that of previous ...
For the first time those little numbers that appear beneath some of the commonest elements in the periodic table boxes are about to change from a single value to an interval of numbers An ...
"Transfer of atomic mass with a photon solves the momentum paradox of light." ScienceDaily. www.sciencedaily.com / releases / 2017 / 06 / 170630085627.htm (accessed August 31, 2025).
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