SOME months ago, when engaged on a study of radioactive disintegration series, the results of which appeared in the October issue of the Philosophical Magazine, I was able to formulate simple rules ...

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% ...

Isotopes close isotopesAtoms of an element with the same number of protons and electrons but different numbers of neutrons. are atoms with the same atomic number but different mass number. These two ...

Exotic nuclei with extreme neutron-to-proton asymmetries exhibit shell structures generated by unexpected orderings of shell occupations. Their description poses enormous challenges, because most ...

Update: This article was updated on Sept. 11, 2017 by Rachel Ross, Live Science Contributor. Imagine plopping an atom down on a scale. As you do so, skin cells that are trillions of atoms thick flake ...

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 ...