The Stability of

The stability of
Cl with respect to alpha,beta-plus and beta-minus decay is to be determined.The following atomic masses are known:
He: 4.002603 u
P: 31.973907 u
S: 35.967081 u
Cl: 35.968307 u
Ar: 35.967546 u
The
Cl nucleus is

A) not subject to alpha,beta-plus or beta-minus decay.
B) subject to alpha decay only.
C) subject to beta-plus decay only.
D) subject to beta-minus decay only.
E) subject to beta-plus or beta-minus decay,but not to alpha decay.