In atomic physics and quantum chemistry, the electron configuration is the arrangement of electrons in an atom, molecule, or other physical structure (e.g., a crystal). Like other elementary particles ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue examines how atomic structure determines reactivity. Meet Theo Gray, chemist and author, who ...

MR. ROY GARDNER gave an interesting paper on “A Method of Setting out the Classification of the Elements” at a recent meeting of the New Zealand Institute. The paper included the accompanying Table, ...