Sr

Strontium-87m

Protons (Z)

38

Neutrons (N)

49

Mass number

87

Half-Life

2.81 h

Abundance

---

Mass

86.909 u

Mass Excess

-84,491.547 keV

Spin

1/2-

Discovered

1940

Binding energy per nucleon

8,701 keV

Neutron separation energy

8,040 keV

Proton separation energy

9,034 keV

Decay Mode

Decay chain

Strontium-87Z 38 · N 492.81 h
γ99.7%