Pr

Praseodymium-140n

Protons (Z)

59

Neutrons (N)

81

Mass number

140

Half-Life

3.05 µs

Abundance

---

Mass

139.91 u

Mass Excess

-83,922.0 keV

Spin

(7-)

Discovered

1964

Binding energy per nucleon

8,341 keV

Neutron separation energy

7,164 keV

Proton separation energy

4,253 keV

Decay Mode

γPraseodymium-140100%

Decay chain

Praseodymium-140Z 59 · N 813.05 µs
γ100%
β⁺100%