Carbon Nucleus
Proton
Neutron
Nuclear Spin
Energy State
8C
6
2
0
9C
6
3
-3/2
10C
6
4
0
11C
6
5
-3/2
12C
6
6
0
Stable
13C
6
7
-1/2
Stable
14C
6
8
0
15C
6
9
1/2
16C
6
10
0
17C
6
11
3/2
18C
6
12
0
19C
6
13
1/2
20C
6
14
0
21C
6
15
1/2
22C
6
16
0