Elementary People 006: Carbon
Carbon is the greatest social networker among the elements. Small and attractive, it forms strong bonds with co-workers. It is also more able to form attachments in different directions than most such atoms. Combining these two traits leads to a plethora of strong attachments, parts of networks that endure.
And carbon is relatively inert, tough, neutral. Whether a girl's best friend or not, carbon is reliable in its many forms, immune to caustic retort or acidic corrosion, only vulnerable to high-temperature flaming in the presence of oxygen and other oxidants.
Carbon is the spine of the CHON-SP group, those stalwarts of biological chemistry. Without carbon, they wouldn't know where to hang out; and without carbon, there'd be nothing to do once they got there.