Phosphorus-33 (P-33)

Identity

Protons

15

Neutrons

18

Mass number

33

Mass

33.0 ± 1.2 u

Mass excess

-26.337 MeV

Spin

1/2+

Stability

Half-life: 25.4 days

Natural occurrence

Not found in nature

Decays to

• beta minus → S-33