The stability of with respect to alpha, beta-plus, and beta-minus decay is to be determined. The following atomic masses in amu are known:

4.002603

7.016928

11.009305

11.011433

11.026742

The nuclide 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.

Answer: C