6C12.011
Carbon
Nonmetal
Solid at STP
Period 2Group 14Block PDiscovered Ancient
[He]2s2 2p2
Carbon (from Latin:carbo "coal") is a chemical element with symbol C and atomic number 6. On the periodic table, it is the first (row 2) of six elements in column (group) 14, which have in common the composition of their outer electron shell. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds.
📖 Read more on Wikipedia →Emission Spectrum
Atomic Properties
| Atomic Number | 6 |
| Atomic Mass | 12.011 u |
| Electron Configuration | [He]2s2 2p2 |
| Oxidation States | +4, +2, -4 |
| Electronegativity | 2.55 (Pauling) |
| Atomic Radius | 170 pm |
| Ionization Energy | 11.26 eV |
| Electron Affinity | 1.263 eV |
| Block | P |
Physical Properties
| Standard State | Solid |
| Melting Point | 3823 K (3549.8 °C) |
| Boiling Point | 4098 K (3824.8 °C) |
| Density | 2.267 g/cm³ |
| Molar Heat | 8.517 J/(mol·K) |
| CPK Color | #909090 |
Classification
| Category | Nonmetal |
| Group Block | Nonmetal |
| Period | 2 |
| Group | 14 |
| Block | P |
Discovery
| Year Discovered | Ancient |
| Discovered By | Ancient Egypt |
| Electron Shells | 2, 4 |