| Overview |
| Name | Carbon |
| Symbol | C |
| Atomic Number | 6 |
| Atomic Weight | 12.0107 |
| Density | 2.26 g/cm3[note] |
| Melting Point | 3550 °C[note] |
| Boiling Point | 4027 °C[note] |
Thermal properties |
| Phase | Solid |
| Melting Point | 3550 °C[note] |
| Boiling Point | 4027 °C[note] |
| Absolute Melting Point | 3823 K[note] |
| Absolute Boiling Point | 4300 K[note] |
| Heat of Fusion | 105 kJ/mol |
| Heat of Vaporization | 715 kJ/mol |
| Heat of Combustion | -393 J/(kg K) |
| Specific Heat | 710 J/(kg K)[note] |
| Thermal Conductivity | 140 W/(m K) |
| Thermal Expansion | 7.1×10-6 K-1[note] |
Bulk physical properties |
| Density | 2.26 g/cm3[note] |
| Density (Liquid) | N/A |
| Molar Volume | 5.3145×10-6 |
| Mohs Hardness | 0.5 MPa[note] |
| Bulk Modulus | 33 GPa |
| Refractive Index | 2.417[note] |
| Speed of Sound | 18350 m/s |
| Thermal Conductivity | 140 W/(m K) |
| Thermal Expansion | 7.1×10-6 K-1[note] |
Reactivity |
| Valence | 4 |
| Electronegativity | 2.55 |
| ElectronAffinity | 153.9 kJ/mol |
| Ionization Energies | | 1086.5, 2352.6, 4620.5, 6222.7, 37831, 47277 kJ/mol |
|
Health and Safety |
| Autoignition Point | 485 °C |
| Heat of Combustion | -393 J/(kg K) |
|
Classifications |
| Alternate Names | None |
| Nams of Allotropes | | Graphite, Diamond, AmorphousCarbon, Lonsdaleite, Fullerene, CarbonNanotube |
|
| Block | p |
| Group | 14 |
| Period | 2 |
| Electron Configuration | [He]2s22p2 |
| Color | Black |
| Discovery | N/A[note] |
| Gas phase | N/A |
| CAS Number | CAS7440-44-0 |
Electrical properties |
| Electrical Type | Conductor[note] |
| Electrical Conductivity | 1×105 S/m[note] |
| Resistivity | 1×10-5 m Ω[note] |
Magnetic properties |
| Magnetic Type | Diamagnetic |
| Mass Magnetic Susceptibility | -6.2×10-9 |
| Molar Magnetic Susceptibility | -7.45×10-11 |
| Volume Magnetic Susceptibility | -0.000014 |
Abundances |
| % in Universe | 0.5% |
| % in Sun | 0.3% |
| % in Meteorites | 1.5% |
| % in Earth's Crust | 0.18% |
| % in Oceans | 0.0028% |
| % in Humans | 23% |
Atomic dimensions and structure |
| Atomic Radius | 67 pm |
| Covalent Radius | 77 pm |
| Van der Waals Radius | 170 pm |
| Crystal Structure | Simple Hexagonal |
| Lattice Angles | |
| Lattice Constants | |
| Space Group Name | P63/mmc |
| Space Group Number | 194 |
Nuclear Properties |
| Half-Life | Stable |
| Lifetime | Stable |
| Stable Isotopes | |
| Isotopic Abundances | |
|