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 ...

This video explores the fascinating reasons behind the physical properties of elements. It answers questions about why mercury is a liquid at room temperature, why gold has its distinctive yellow ...

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 ...

Valence Electron Examples: Valence electrons play an important role in the field of chemistry, affecting how atoms interact and bond with each other. These outermost electrons are responsible for ...

The periodic table has been a vital foundational tool for material research since it was first created 150 years ago. Now, researchers add an entirely new dimension to the table, offering a new set of ...