Standard atomic weights, those numbers emblazoned under the elements on the periodic table, were once thought of as unchanging constants of nature. But researchers have tweaked the atomic weights of ...
Nineteen elements on the periodic table — including gold, cadmium, arsenic and aluminum — are getting their atomic weights adjusted. The International Union of Pure and Applied Chemistry (IUPAC) ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Cadmium, are you looking a bit chubbier these days? Improved ...
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% ...
Ten elements that help make up the universe, including the carbon our biology is based on and the oxygen in the air we breathe, are now getting changed in an unprecedented way — they are getting their ...
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 ...
Yuri Ralchenko led one of the oldest teams at the National Institute for Standards and Technology. The fate of some ...
Looking for ways to revise GCSE Chemistry? Try listening to these revision podcasts from Bitesize and BBC Sounds. BBC Sounds is where you can catch the latest music tracks, discover binge-worthy ...
For the first time in history, the standard weights of 10 elements will get expressed in a way that will more accurately reflect how the elements are found in nature. Melissa Block and Michele Norris ...
Standard atomic weights, those numbers emblazoned under the elements on the periodic table, were once thought of as unchanging constants of nature. But researchers have tweaked the atomic weights of ...
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