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Created page with "== Introduction == Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. thumb|center|A close-up image of a carbon atom model.|class=only_on_mobile thumb|center|A close-up image of a carbon atom model.|class=only_on_desktop == Properties and Characteris..."