Kr
Krypton-85
Protons (Z)
36
Neutrons (N)
49
Mass number
85
Half-Life
10.73 y
Abundance
---
Mass
84.913 u
Mass Excess
-81,480.3 keV
Spin
9/2+
Discovered
1940
Binding energy per nucleon
8,699 keV
Neutron separation energy
7,112 keV
Proton separation energy
10,986 keV
Decay Mode
- β⁻→Rubidium-85100%
Decay chain
- KrKrypton-85Z 36 · N 4910.73 y
- β⁻100%