The picture shows a close-up of one carbon atom. A hydrogen atom has one proton as the nucleus and one electron in the region outside the nucleus. The electron and proton are attracted to each other.

Discovery of stable single-electron covalent bond in carbon compound validates a century-old theory Covalent bonds, in which two atoms are bound together by sharing a pair of electrons, ...

As an electron microscopist my top priority ... data that was important to define the crystalline structure, as well as the dimensions of carbon nanotubes. We have to be careful about the ...