12B

Boron-12

Radioactive· Half-life: 20.2 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

5

Neutrons (N)

7

Mass Number (A)

12

Atomic Mass

12.014353AMU

Spin / Parity

1+

Binding E/A

6.418keV

Natural Abundance

Trace / None

Half-life

20.2 ms

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

β⁻
100.0%
β⁻α
0.6%

Decay Chain

β⁻100.0%
β⁻α8Be0.60%
12CCarbonSTABLE

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

Other Isotopes of Boron

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