Bond polarity, driven by differences in electronegativity, explains why some molecules dissolve in water, why others don’t, and why substances have different boiling points. Polar bonds have unequal ...

Gallium, a metal that melts in the hand, has just surprised scientists. At the atomic level, gallium exhibits peculiarities.

A research team from Hokkaido University has confirmed a century-old theory by discovering a stable single-electron covalent bond, known as a sigma bond, between two carbon atoms. This unique bond ...