Carbon diamant ( C )

• Atomic number: 6
• Appearance: clear solid
• Standard atomic weight: 12.011
• Group: group 14 (carbon group)
• Period: 2
• Electron configuration: 1s² 2s² 2p²
• Element category: reactive nonmetal
• Melting point:
• Boiling point:
• Sublimation point: 3915 K
Standard Temperature ( 273.15 ) and Pressure ( 1 bar = 10⁵ Pa )
• Phase at STP: solid
• Density at STP:
• Heat of fusion:
• Heat of vaporization:
• Molar heat capacity: 6.155 kJ/(mol·K)
• Oxidation states: -4, −3, −2, −1, +1, +2, +3, +4
• Electronegativity: Pauling scale: 2.55
• Covalent radius: 73 pm (1×10⁻¹² m)
• Van der Waals radius: 170 pm (1×10⁻¹² m)
• Crystal structure: ​ face-centered diamond-cubic
• Speed of sound: 18350 m/s (20 °C)
• Thermal expansion: 0.8 µm/(m·K)
• Thermal conductivity: 900–2300 W/(m·K)