Na

Sodium-22m

Protons (Z)

11

Neutrons (N)

11

Mass number

22

Half-Life

243.0 ns

Abundance

---

Mass

21.995 u

Mass Excess

-4,598.34 keV

Spin

1+

Discovered

1958

Binding energy per nucleon

7,889 keV

Neutron separation energy

10,485 keV

Proton separation energy

6,156 keV

Decay Mode

γSodium-22100%

Decay chain

Sodium-22Z 11 · N 11243.0 ns
γ100%
β⁺100%