Y

Yttrium-90

Protons (Z)

39

Neutrons (N)

51

Mass number

90

Half-Life

2.67 d

Abundance

---

Mass

89.907 u

Mass Excess

-86,496.9 keV

Spin

2-

Discovered

1937

Binding energy per nucleon

8,693 keV

Neutron separation energy

6,857 keV

Proton separation energy

7,577 keV

Decay Mode

β⁻Zirconium-90100%

Decay chain

Yttrium-90Z 39 · N 512.67 d
β⁻100%