Atom
Name
Carbon
IUPAC name
Carbon
InChI
InChI=1S/C
InChI key
OKTJSMMVPCPJKN-UHFFFAOYSA-N
CAS number
7440-44-0
Comments
natural C, 98.9% 12C + 1.1% 13C
Symbol and fundamental properties
Symbol
C
Formula
C
Charge
0
Atomic number Z
6
Molar mass
12.0107 g/mol
State STP
solid
Electronegativity
2.55
Isotope mixture type
terrestrial abundance
Isotopes
  IUPAC Name A Mole fraction
Carbon-12 12 0.9893
Carbon-13 13 0.0107
Carbon-14 14 1e-12
Type K L2 L3
Energy (keV) 0.2838 0.0064 0.0064