Pr

Praseodymium-149

Protons (Z)

59

Neutrons (N)

90

Mass number

149

Half-Life

2.26 m

Abundance

---

Mass

148.924 u

Mass Excess

-71,039.0 keV

Spin

(5/2+)

Discovered

1964

Binding energy per nucleon

8,238 keV

Neutron separation energy

6,575 keV

Proton separation energy

7,930 keV

Decay Mode

β⁻Neodymium-149100%

Decay chain

Praseodymium-149Z 59 · N 902.26 m
β⁻100%
β⁻100%
β⁻100%