Lr

Lawrencium-259

Protons (Z)

103

Neutrons (N)

156

Mass number

259

Half-Life

6.2 s

Abundance

---

Mass

259.103 u

Mass Excess

95,850.0 keV

Spin

(1/2-)

Discovered

1971

Binding energy per nucleon

7,390 keV

Neutron separation energy

7,001 keV

Proton separation energy

2,919 keV

Decay Mode

SF22%

Decay chain

Lawrencium-259Z 103 · N 1566.2 s
α78%
β⁺93%
α~100%
α100%
α100%
β⁻100%
α~100%
β⁻100%
α~100%
α~100%
β⁻100%
α~100%
β⁻98.62%
α100%
α~100%
α100%
α~100%
β⁻100%
α~100%
β⁻100%