s p d f Orbitals Electron configuration: Writing electron configurations is an important topic in chemistry. Students struggle to understand and write them during an exam. Here are some rules that you ...

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 ...

the number of circles in the electronic configuration of an element is represented in the periodic table as the period number that element is situated in the number of electrons in the outermost shell ...

In this video excerpt from NOVA's "Hunting the Elements," New York Times technology columnist David Pogue investigates chemical reactions involving sodium. Find out how the electron configuration of ...

In this article, we’ll break down everything you need to know about the periodic table. From its history and layout to its key elements and groups, we’ll cover all the basics so you can understand ...

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, ...