Periodic Table/Rubidium/⁷²Rb

← 71Rb73Rb →

⁷²Rb

Rubidium-72

Radioactive· Half-life: 103 ns

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

37

Neutrons (N)

35

Mass Number (A)

72

Atomic Mass

71.958851AMU

Spin / Parity

1+

Binding E/A

7.939keV

Natural Abundance

Trace / None

Half-life

103 ns

Decay Modesoverview · half-life · α · β⁻ · β⁺

p

Decay Chain

⁷²RbRubidium103 ns

p

⁷¹KrKrypton98.8 ms

β⁺100.0%

β⁺p⁷⁰Se2.10%

⁷¹BrBromine21.4 s

β⁺100.0%

⁷¹SeSelenium4.74 min

β⁺100.0%

⁷¹AsArsenic2.72 d

β⁺100.0%

⁷¹GeGermanium11.4 d

EC100.0%

⁷¹GaGalliumSTABLE

7-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Rubidium

71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104

← Back to RubidiumData: IAEA NDS · ENSDF