Chemists have confirmed a 67-year-old theory about vitamin B1 by stabilizing a reactive molecule in water—a feat long thought ...

The distribution of outermost shell electrons, known as valence electrons, of organic molecules was experimentally observed for the first time by a team led by Nagoya University in Japan.

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and ...

This attraction pulls the atoms together. The electrons end up being shared by the atoms in a region around the nucleus of both atoms. Hydrogen atoms are close together. The electron from each atom ...