All known Isobars to (4)

n = p-2 n = p-1 n = p n = p+1 n = p+2
  001 99.985%

SUPER Stable

1.0078250
     
    002 0.015%

Stable

2.0141017
   
  003 0.000137%

Stable

3.0160293
  003
12.33 yr
B-
He-3
3.0160492
 
004
6.03 MeV
p,2.980 MeV
He-3
4.0271821
  004 99.999863%

SUPER Stable

4.0026032
  004
5.42 MeV
n,2.980 MeV
H-3
4.0279121

6a
6g