Cf
Californium-238
Protons (Z)
98
Neutrons (N)
140
Mass number
238
Half-Life
21.1 ms
Abundance
---
Mass
238.061 u
Mass Excess
57,280.0 keV
Spin
0+
Discovered
1995
Binding energy per nucleon
7,509 keV
Neutron separation energy
8,731 keV
Proton separation energy
3,219 keV
Decay Mode
- SF97.5%
- α→Curium-2342.5%
Decay chain
- CfCalifornium-238Z 98 · N 14021.1 ms
- α2.5%
- β⁺71%
- β⁺99.993%
- EC94%
- β⁺100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%