Ru

Ruthenium-91

Protons (Z)

44

Neutrons (N)

47

Mass number

91

Half-Life

8.0 s

Abundance

---

Mass

90.927 u

Mass Excess

-68,239.8 keV

Spin

(9/2+)

Discovered

1983

Binding energy per nucleon

8,443 keV

Neutron separation energy

11,427 keV

Proton separation energy

4,804 keV

Decay Mode

Decay chain

Ruthenium-91Z 44 · N 478.0 s
β⁺100%
β⁺100%
β⁺100%
EC~100%