P

Phosphorus-27

Protons (Z)

15

Neutrons (N)

12

Mass number

27

Half-Life

260.0 ms

Abundance

---

Mass

26.999 u

Mass Excess

-659.0 keV

Spin

1/2+

Discovered

1977

Binding energy per nucleon

7,661 keV

Neutron separation energy

19,700 keV

Proton separation energy

807 keV

Decay Mode

Decay chain

Phosphorus-27Z 15 · N 12260.0 ms
β⁺99.93%
β⁺100%