Atomic Number: | 6 |
Element Symbol: | C |
Element Name: | Carbon |
Atomic Weight: | 12.0107 |
Group Number: | 14 |
Group Name: | none |
Period Number: | 2 |
Block: | p-block |
Ground State Configuration: | 1s2 2s2 2p2 |
Ground State Level: | 3P0 |
Standard State: | Solid |
Common Valences: | 4 |
Bond Length: | 142.6 (graphite) |
Atomic Radius Empirical: | 70 |
Atomic Radius Calculated: | 67 |
Covalent Radius Empirical: | 77 |
Vander Waals Radius: | 170 |
Electron Affinity: | 153.9 |
First Ionization Energy: | 1086.5 |
Pauling Electronegativity: | 2.55 |
Sanderson Electronegativity: | 2.75 |
Allred Rochow Electronegativity: | 2.50 |
Mulliken Jaffe Electronegativity: | 2.48 |
Allen Electronegativity: | 2.544 |
Density Of Solid: | 2267 |
Molar Volume: | 5.29 |
Velocity Of Sound: | 18350 |
Bulk Modulus: | 33 |
Mineral Hardness: | 0.5 (graphite; diamond is 10.0) |
Electrical Resistivity: | about 1000 - direction dependent |
Reflectivity: | 27 |
Refractive Index: | 2.417 (diamond) |
Melting Point: | 3527 |
Boiling Point: | 4027 |
Thermal Conductivity: | 140 |
Coefficient Of Linear Expansion: | 7.1 |
Enthalpy Of Vaporization: | 715 (sublimation) |
Enthalpy Of Atmization: | 717 |
Most Common Oxidation Numbers: | 4,-4 |
Color: | Graphite is black, diamond is colourless |
Classification: | Non-metallic |
Discovered By: | Known since ancient times although not recognised as an element until much later. |
Discovered At: | not known |
Origin Of Name: | From the Latin word carbo meaning charcoal |
Calculate the molecular weight of Carbon or molecular weight C.
Also see the full list of chemical elements and atomic weights.