Rb
Rubidium-85
Protons (Z)
37
Neutrons (N)
48
Mass number
85
Half-Life
Stable
Abundance
72.17%
Mass
84.912 u
Mass Excess
-82,167.341 keV
Spin
5/2-
Discovered
1921
Binding energy per nucleon
8,697 keV
Neutron separation energy
10,480 keV
Proton separation energy
7,017 keV
Decay Mode
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