Periodic Table/Strontium/⁹⁰Sr

← 89Sr91Sr →

⁹⁰Sr

Strontium-90

Radioactive· Half-life: 28.9 y

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

38

Neutrons (N)

52

Mass Number (A)

90

Atomic Mass

89.907728AMU

Spin / Parity

0+

Binding E/A

8.480keV

Natural Abundance

Trace / None

Half-life

28.9 y

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

β⁻

100.0%

Decay Chain

⁹⁰SrStrontium28.9 y

β⁻100.0%

⁹⁰YYttrium2.67 d

β⁻100.0%

⁹⁰ZrZirconiumSTABLE

3-step decay chain → stable · Primary path shown

Other Isotopes of Strontium

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 99 100 101 102 103 104 105 106 107

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