Sr

Strontium-81

Protons (Z)

38

Neutrons (N)

43

Mass number

81

Half-Life

22.3 m

Abundance

---

Mass

80.923 u

Mass Excess

-71,528.0 keV

Spin

1/2-

Discovered

1952

Binding energy per nucleon

8,587 keV

Neutron separation energy

9,288 keV

Proton separation energy

6,641 keV

Decay Mode

β⁺Rubidium-81100%

Decay chain

Strontium-81Z 38 · N 4322.3 m
β⁺100%
β⁺100%
EC100%