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Carbon

Carbon

Chemical element
Carbon is a chemical element; it has symbol C and atomic number 6. It is nonmetallic and tetravalent—meaning that its atoms are able to form up to four covalent bonds due to its valence shell exhibiting 4 electrons. It belongs to group 14 of the... Wikipedia
Symbol: C
Atomic number: 6
Atomic mass: 12.011 u
Electron configuration: [He] 2s2 2p2
Electronegativity: 2.55
Heat of fusion: graphite: 117 kJ/mol
Discovery: Egyptians and Sumerians (3750 BCE)