39Si

Silicon-39

Radioactive· Half-life: 41.2 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

14

Neutrons (N)

25

Mass Number (A)

39

Atomic Mass

39.002491AMU

Spin / Parity

5/2-

Binding E/A

7.548keV

Natural Abundance

Trace / None

Half-life

41.2 ms

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

β⁻
100.0%
β⁻n
33.0%
2n

Decay Chain

β⁻100.0%
β⁻n38P33.0%
39PPhosphorus282 ms
β⁻100.0%
β⁻n38S26.0%
39SSulfur11.5 s
β⁻100.0%
39ArArgon268 y

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

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