C
Carbon
Z 6 12.011 g/molOther Nonmetal
Nucleus
6 Protons
6 Neutrons
6 Electrons (4 Valence)
Shell distribution: K2 • L4 • M0 • N0 • O0 • P0 • Q0
Electron Configuration
Energy
7p
6d
5f
7s
6p
5d
4f
6s
5p
4d
5s
4p
3d
4s
3p
3s
2p
2s
1s
[He]2s22p2
Oxidation States
CommonRare
0
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Radii
Empirical
70 pm0.7 Å
Calculated
67 pm0.67 Å
Covalentsp³
76±1 pm0.76±0.01 Å
Van der Waals
170 pm1.7 Å
IonicC4- · CN 4
260 pm2.6 Å
Crystal Structure
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HexagonalStandard state
Pearson symbol
hP4
Space group
P63/mmc No. 194
Density
2.267 g/cm³