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% ...

Part of Combined Science Structures, trends, chemical reactions, quantitative chemistry and analysis 25% of chlorine atoms are 37 Cl and 75% are 35 Cl. The weighted mean mass of chlorine is 35.5. The ...

What is Mass Number? The answer to this question and other informative content related to molecular chemistry is provided here. Read this article to get the basic knowledge of the atomic number and ...

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 ...

Although differences in protein staining intensity can often be visualized by difference gel electrophoresis, abundant proteins can obscure less abundant proteins, and quantification of ...

Elizabeth Williams receives funding from the Australian Research Council. If you’ve ever studied a periodic table of the elements (see below), you’re probably already aware that this table reveals a ...

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 ...