Ru

Ruthenium-90

Protons (Z)

44

Neutrons (N)

46

Mass number

90

Half-Life

11.7 s

Abundance

---

Mass

89.93 u

Mass Excess

-64,884.0 keV

Spin

0+

Discovered

1991

Binding energy per nucleon

8,410 keV

Neutron separation energy

14,586 keV

Proton separation energy

4,778 keV

Decay Mode

β⁺Technetium-90100%

Decay chain

Ruthenium-90Z 44 · N 4611.7 s
β⁺100%
β⁺100%
β⁺100%
β⁺100%