Ca

Calcium-39

Protons (Z)

20

Neutrons (N)

19

Mass number

39

Half-Life

860.3 ms

Abundance

---

Mass

38.971 u

Mass Excess

-27,282.7 keV

Spin

3/2+

Discovered

1943

Binding energy per nucleon

8,370 keV

Neutron separation energy

13,296 keV

Proton separation energy

5,771 keV

Decay Mode

β⁺Potassium-39100%

Decay chain

Calcium-39Z 20 · N 19860.3 ms
β⁺100%