Mg

Magnesium-23

Protons (Z)

12

Neutrons (N)

11

Mass number

23

Half-Life

11.3 s

Abundance

---

Mass

22.994 u

Mass Excess

-5,473.67 keV

Spin

3/2+

Discovered

1939

Binding energy per nucleon

7,901 keV

Neutron separation energy

13,145 keV

Proton separation energy

7,581 keV

Decay Mode

β⁺Sodium-23100%

Decay chain

Magnesium-23Z 12 · N 1111.3 s
β⁺100%