Ca
Calcium-55
Protons (Z)
20
Neutrons (N)
35
Mass number
55
Half-Life
22.0 ms
Abundance
---
Mass
54.98 u
Mass Excess
-18,650.0 keV
Spin
(5/2-)
Discovered
1997
Binding energy per nucleon
8,126 keV
Neutron separation energy
1,561 keV
Proton separation energy
20,789 keV
Decay Mode
Decay chain
- CaCalcium-55Z 20 · N 3522.0 ms
- β⁻100%
- β⁻83%
- β⁻100%
- β⁻100%
- β⁻100%