Carbon-13
| General | |
|---|---|
| Symbol | 13C |
| Names | carbon-13 |
| Protons (Z) | 6 |
| Neutrons (N) | 7 |
| Nuclide data | |
| Natural abundance | 1.109% |
| Isotope mass | 13.003355 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.