Strontium-85 (Sr-85)

Identity

Protons

38

Neutrons

47

Mass number

85

Mass

84.9 ± 3.0 u

Mass excess

-81.103 MeV

Spin

9/2+*

Stability

Half-life: 64.8 days

Natural occurrence

Not found in nature

Decays to

• electron capture → Rb-85