Periodic Table/Strontium/¹⁰⁵Sr

← 104Sr106Sr →

¹⁰⁵Sr

Strontium-105

Radioactive· Half-life: 39.0 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

38

Neutrons (N)

67

Mass Number (A)

105

Atomic Mass

104.959001AMU

Spin / Parity

5/2+

Binding E/A

7.967keV

Natural Abundance

Trace / None

Half-life

39.0 ms

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

β⁻

100.0%

β⁻n

2n

Decay Chain

¹⁰⁵SrStrontium39.0 ms

β⁻100.0%

β⁻n¹⁰⁴Y

2n¹⁰³Sr

¹⁰⁵YYttrium95.0 ms

β⁻100.0%

β⁻n¹⁰⁴Zr82.0%

2n¹⁰³Y

¹⁰⁵ZrZirconium670 ms

β⁻100.0%

β⁻n¹⁰⁴Nb2.00%

¹⁰⁵NbNiobium2.91 s

β⁻100.0%

β⁻n¹⁰⁴Mo1.70%

¹⁰⁵MoMolybdenum36.3 s

β⁻100.0%

¹⁰⁵TcTechnetium7.64 min

β⁻100.0%

¹⁰⁵RuRuthenium4.44 h

β⁻100.0%

¹⁰⁵RhRhodium1.47 d

β⁻100.0%

¹⁰⁵PdPalladiumSTABLE

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

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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