Lr
Lawrencium-253
Protons (Z)
103
Neutrons (N)
150
Mass number
253
Half-Life
632.0 ms
Abundance
---
Mass
253.095 u
Mass Excess
88,520.0 keV
Spin
(7/2-)
Discovered
1985
Binding energy per nucleon
7,403 keV
Neutron separation energy
8,091 keV
Proton separation energy
1,640 keV
Decay Mode
- SF1%
Decay chain
- LrLawrencium-253Z 103 · N 150632.0 ms
- α90%
- α75%
- β⁺51%
- β⁺64.7%
- EC99.88%
- α~100%
- β⁻~100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%