Description of Quantities and Notes

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 85
Relative Atomic Mass = 84.9117897379(54)
Isotopic Composition = 0.7217(2)
Standard Atomic Weight = 85.4678(3)
Notes = g

Atomic Number = 37
Atomic Symbol = Rb
Mass Number = 87
Relative Atomic Mass = 86.9091805310(60)
Isotopic Composition = 0.2783(2)
Standard Atomic Weight = 85.4678(3)
Notes = g

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