Carbon (element)

Carbon (element)

Carbon is a chemical element with the symbol C. It is one of the most abundant elements in the universe. Diamonds are made up of carbon.

About Carbon (element)

Carbon is the chemical element with symbol C and atomic number 6. As a member of group 14 on the periodic table, it is nonmetallic and tetravalentmaking four electrons available to form covalent chemical bonds. There are three naturally occurring isotopes, with C and C being stable, while C is radioactive, decaying with a half-life of about 5,730 years. Carbon is one of the few elements known since antiquity. There are several allotropes of carbon of which the best known are graphite, diamond, and amorphous carbon. The physical properties of carbon vary widely with the allotropic form. For example, diamond is highly transparent, while graphite is opaque and black. Diamond is among the hardest materials known, while graphite is soft enough to form a streak on paper (hence its name, from the Greek word 'to write'). Diamond has a very low electrical conductivity, while graphite is a very good conductor.

Contributions by Mav, Femto, and Vsmith.

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