Zr

Zirconium-87

Protons (Z)

40

Neutrons (N)

47

Mass number

87

Half-Life

1.68 h

Abundance

---

Mass

86.915 u

Mass Excess

-79,347.0 keV

Spin

9/2+

Discovered

1948

Binding energy per nucleon

8,624 keV

Neutron separation energy

9,449 keV

Proton separation energy

7,353 keV

Decay Mode

β⁺Yttrium-87100%

Decay chain

Zirconium-87Z 40 · N 471.68 h
β⁺100%
β⁺100%