Normally, a carbon atom shares all four of its valence electrons to create four bonds with other atoms (tetravalent carbon).

With a precise understanding of the valence electron density distribution ... They successfully extracted the electrons within the carbon double bonds and clearly observed differences between ...

The “lead” of a pencil is actually made of a substance called graphite which is made of carbon atoms. The picture shows a close ... When the plastic strip is rubbed on the skin, electrons from the ...