Periodic Table/Carbon/⁹C

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⁹C

Carbon-9

Radioactive· Half-life: 126 ms

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

6

Neutrons (N)

3

Mass Number (A)

9

Atomic Mass

9.031037AMU

Spin / Parity

3/2-

Binding E/A

3.997keV

Natural Abundance

Trace / None

Half-life

126 ms

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

β⁺

100.0%

β⁺p

7.5%

β⁺α

38.4%

Decay Chain

⁹CCarbon126 ms

β⁺100.0%

β⁺α⁵Li38.4%

β⁺p⁸Be7.50%

⁹BBoron800 zs

p100.0%

⁸BeBeryllium81.9 as

α100.0%

⁴HeHeliumSTABLE

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

Other Isotopes of Carbon

8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

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