Eu

Europium-166

Protons (Z)

63

Neutrons (N)

103

Mass number

166

Half-Life

1.24 s

Abundance

---

Mass

165.95 u

Mass Excess

-46,750.0 keV

Spin

(0-)

Discovered

2007

Binding energy per nucleon

8,056 keV

Neutron separation energy

4,092 keV

Proton separation energy

10,529 keV

Decay Mode

Decay chain

Europium-166Z 63 · N 1031.24 s
β⁻100%
β⁻100%
β⁻100%
β⁻100%
β⁻100%