What is the half-time of radiocarbon? (carbon-14)

5 years

57 years

573 years

5730 years

Carbon-14, 14C, or radiocarbon, is a radioactive isotope of carbon with an atomic nucleus containing 6 protons and 8 neutrons. Carbon-12 and carbon-13 are both stable, while the half-life of carbon-14 is 5,730 ±40 years.

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30%

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52%

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19%

51%

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48%

9050

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103

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46%

101

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42%

663

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214

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399

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39%

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763

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35%

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18%

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26%

32%

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16%

27%

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29%

101

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