Pt
Platinum-205
Protons (Z)
78
Neutrons (N)
127
Mass number
205
Half-Life
2.0 s
Abundance
---
Mass
204.986 u
Mass Excess
-12,820.0 keV
Spin
(9/2+)
Discovered
2009
Binding energy per nucleon
7,836 keV
Neutron separation energy
3,271 keV
Proton separation energy
10,539 keV
Decay Mode
- β⁻→Gold-205
Decay chain
- PtPlatinum-205Z 78 · N 1272.0 s
- β⁻
- β⁻100%
- β⁻100%