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Gcse physics radioactive dating

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Radioactive decay is a random process. A block of radioactive material will contain many trillions of nuclei and not all nuclei are likely to decay at the same time so it is impossible to tell when a particular nucleus will decay. It is not possible to say which particular nucleus will decay next, but given that there are so many of them, it is possible to say that a certain number will decay in a certain time. Scientists cannot tell when a particular nucleus will decay, but they can use statistical methods to tell when half the unstable nuclei in a sample will have decayed.
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GCSE Physics: Radiocarbon dating

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Radiocarbon dating gcse physics | Western PA HFMA

Radiocarbon or Carbon dating is a technique used by scientist to date bones, wood, paper and cloth. Carbon is a radioisotope of Carbon. The unstable Carbon is transported down to the lower atmosphere by atmospheric activity such as storms. Carbon reacts identically to Carbon and is rapidly oxidised to form Carbon Dioxide.
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Carbon has a large number of stable isotopes. All carbon atoms contain six protons and six electrons, but the different isotopes have different numbers of neutrons. The amount of carbon in the atmosphere has not changed in thousands of years. Even though it decays into nitrogen, new carbon is always being formed when cosmic rays hit atoms high in the atmosphere.
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Missing work gcse chemistry gcse physics gcse additional science trilogy magnetism electromagnetism andytoscacoutts. How long period of rocks? This video explains half-life values archaeological radiocarbon dating uses the half life and gamma radiation.
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