Periodic Table/Boron/¹⁷B

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¹⁷B

Boron-17

Radioactive· Half-life: 5.08 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

5

Neutrons (N)

12

Mass Number (A)

17

Atomic Mass

17.046931AMU

Spin / Parity

3/2-

Binding E/A

5.119keV

Natural Abundance

Trace / None

Half-life

5.08 ms

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

β⁻

100.0%

β⁻n

63.0%

2n

12.0%

3n

3.5%

4n

0.4%

Decay Chain

¹⁷BBoron5.08 ms

β⁻100.0%

β⁻n¹⁶C63.0%

2n¹⁵B12.0%

3n¹⁴B3.50%

4n¹³B0.40%

¹⁷CCarbon193 ms

β⁻100.0%

β⁻n¹⁶N28.4%

2n¹⁵C

¹⁷NNitrogen4.17 s

β⁻100.0%

β⁻n¹⁶O95.1%

β⁻α¹³C0.00%

¹⁷OOxygenSTABLE

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

Other Isotopes of Boron

6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21

← Back to BoronData: IAEA NDS · ENSDF