![]() | |
General | |
---|---|
Symbol | 13C |
Names | carbon-13, 13C, C-13 |
Protons (Z) | 6 |
Neutrons (N) | 7 |
Nuclide data | |
Natural abundance | 1.109% |
Isotope mass | 13.003355[1] Da |
Spin | −1/2 |
Isotopes of carbon Complete table of nuclides |
Carbon-13 (13C) is a natural, stable isotope of carbon with a nucleus containing six protons and seven neutrons. As one of the environmental isotopes, it makes up about 1.1% of all natural carbon on Earth.