K

Potassium-49

Protons (Z)

19

Neutrons (N)

30

Mass number

49

Half-Life

1.26 s

Abundance

---

Mass

48.968 u

Mass Excess

-29,611.5 keV

Spin

1/2+

Discovered

1972

Binding energy per nucleon

8,372 keV

Neutron separation energy

5,398 keV

Proton separation energy

14,545 keV

Decay Mode

Decay chain

Potassium-49Z 19 · N 301.26 s
β⁻n86%
β⁻
β⁻100%