An introductory course in chemistry suitable for students with little previous experience in the subject. The basic concepts of chemistry, including atoms and molecules, the periodic table, bonding, ...

In this feature, molecules are depicted in two ways. Methane, for example, is written out as CH 4. This shows that the molecule consists of one atom of carbon and four atoms of hydrogen. The molecule ...

Physicists have uncovered how direct atom-atom interactions can amplify superradiance, the collective burst of light from ...