Element:Rb

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Atomic Number

37

Atomic Name

Rubidium(ルビジウム)

Stable Isotopes

isotope mass isotopic abundance (%)
85Rb 84.9117924 72.17(15)
87Rb 86.9091858 27.83(41) = (Natural radioactivity isotope)

Radioisotopes

isotope half life disintegration form
81mRb 30.5 minuites IT, EC
81Rb 4.576 hours EC, beta+
82Rb 1.273 minuites beta+, EC
83Rb 86.2 days EC
84Rb 32.77 days EC, beta+, beta-
86Rb 18.631 days beat-, EC
87Rb 4.75 x 1010 years beta-
88Rb 17.78 minuites beta-
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