Sr

Strontium-91

Protons (Z)

38

Neutrons (N)

53

Mass number

91

Half-Life

9.65 h

Abundance

---

Mass

90.91 u

Mass Excess

-83,652.0 keV

Spin

5/2+

Discovered

1943

Binding energy per nucleon

8,664 keV

Neutron separation energy

5,772 keV

Proton separation energy

11,575 keV

Decay Mode

β⁻Yttrium-91100%

Decay chain

Strontium-91Z 38 · N 539.65 h
β⁻100%
β⁻100%