Carbon has 7 known isotopes. Carbon-12 was chosen by IUPAC in 1961 as the basis for atomic weights.
|
Isotope |
Atomic Mass |
|
C10 |
10 |
|
C11 |
11 |
|
C12 |
12 |
|
C13 |
13 |
|
C14 |
14 |
|
C15 |
15 |
|
C16 |
16 |