O

Oxygen-19

Protons (Z)

8

Neutrons (N)

11

Mass number

19

Half-Life

26.47 s

Abundance

---

Mass

19.004 u

Mass Excess

3,332.9 keV

Spin

5/2+

Discovered

1936

Binding energy per nucleon

7,566 keV

Neutron separation energy

3,956 keV

Proton separation energy

17,069 keV

Decay Mode

β⁻Fluorine-19100%

Decay chain

Oxygen-19Z 8 · N 1126.47 s
β⁻100%