Ion
No. of levels
C I
435
C II
415
C III
201
C IV
107
C V
156
C VI
149
Total for C:
1463
12C I
33
12C II
36
Total for 12C:
69
13C I
33
13C II
36
Total for 13C:
69
14C II
36
Total for 14C:
36