Ce

Cerium-149

Protons (Z)

58

Neutrons (N)

91

Mass number

149

Half-Life

4.94 s

Abundance

---

Mass

148.928 u

Mass Excess

-66,670.0 keV

Spin

(3/2-)

Discovered

1974

Binding energy per nucleon

8,214 keV

Neutron separation energy

4,343 keV

Proton separation energy

11,250 keV

Decay Mode

β⁻Praseodymium-149100%

Decay chain

Cerium-149Z 58 · N 914.94 s
β⁻100%
β⁻100%
β⁻100%
β⁻100%