Curium-240 (Cm-240)
Identity
- Protons
- 96
- Neutrons
- 144
- Mass number
- 240
- Mass
- 240.1 ± 2.0 u
- Mass excess
- 51.724 MeV
- Spin
- 0+
Stability
Half-life: 30.4 days
Natural occurrence
Not found in nature
Decays to
- alpha 100.0 % Pu-236
- spontaneous fission 0.0000039 %