Isotopes of Carbon (Z=6)

Click on an isotope to get more information about its decay
Isotope Half-life Spin Parity Decay Mode(s) or Abundance
8C 230 keV0+ %XP=100
9C 126.5 ms (3/2-) %EC+%B+=100, %ECP2A=?
10C 19.255 s0+ %EC+%B+=100
11C 20.39 m3/2- %EC+%B+=100
12C stable0+ %Abundance=98.90 3
13C stable1/2- %Abundance=1.10 3
14C 5730 y 0+ %B-=100
15C 2.449 s 1/2+ %B-=100
16C 0.747 s0+ %B-=100, %B-N > 98.8
17C 193 ms %B-=100, %B-N=32 3
18C 95 ms 0+ %B-=100, %B-N ~ 25
19C 46 ms %B-=100, %B-N=47 3
20C 14 ms 0+ %B-=100, %B-N=72 14
21C
22C 0+
Isotope Explorer Nuclear Structure and Decay Data
8th Edition of the Table of Isotopes
Isotopes Project Home Page
Lawrence Berkeley National Laboratory
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