Periodic Table/Fluorine/³¹F

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³¹F

Fluorine-31

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

9

Neutrons (N)

22

Mass Number (A)

31

Atomic Mass

31.061023AMU

Spin / Parity

5/2+

Binding E/A

5.862keV

Natural Abundance

Trace / None

Half-life

Unknown

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

β⁻

β⁻n

2n

Decay Chain

β⁻

β⁻n³⁰Ne

2n²⁹F

³¹NeNeon3.40 ms

β⁻100.0%

β⁻n³⁰Na

2n²⁹Ne

³¹NaSodium16.8 ms

β⁻100.0%

β⁻n³⁰Mg36.0%

2n²⁹Na0.73%

3n²⁸Na0.05%

³¹MgMagnesium270 ms

β⁻100.0%

β⁻n³⁰Al6.20%

³¹AlAluminum644 ms

β⁻100.0%

β⁻n³⁰Si1.60%

³¹SiSilicon2.62 h

β⁻100.0%

³¹PPhosphorusSTABLE

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

Other Isotopes of Fluorine

13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

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