← Periodic Table
6
p🧱
C
12.0110

Carbon

Nonmetal

Atomic Properties

Atomic Number
6
Atomic Mass
12.0110 u
Electron Configuration
[He] 2s2 2p2
Electronegativity
2.55
Block
p-block
Group
14
Period
2

🌡 Physical Properties

Phase (STP)
solid
Melting Point
3823.00 K
Boiling Point
4098.00 K
Density
2.2670 g/cm³

About Carbon

Basis of organic chemistry; forms diamonds, graphite, and all living things.

🔬 Isotopes of Carbon

Carbon has 2 naturally occurring isotopes, plus 1 notable radioactive isotope.

IsotopeMass NumberAtomic Mass (u)AbundanceType
12C121298.93%Stable
13C1313.003354841.070%Stable
14C1414.00324199Radioactive

Data source: NIH PubChem (aggregated from IUPAC, NIST)