How does carbon dating work bbc bitesize

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Radioisotopes of elements have a wide variety of uses. Every living organism contains the radioisotope carbon Carbon is formed when neutrons from cosmic radiation collide with nitrogen atoms in our atmosphere forming protons and carbon atoms. Carbon dioxide is responsible for carbon entering the food chain. Carbon decays by beta-emission and has a half-life of years.
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BBC - History - Ancient History in depth: The Story of Carbon Dating

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British Broadcasting Corporation Home. Radio carbon dating determines the age of ancient objects by means of measuring the amount of carbon there is left in an object. In , he won the Nobel Prize for Chemistry.
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Beta will be deflected towards the positive area of the field. It has a low mass so will be strongly deflected. Alpha will be deflected towards the negative area of the field. It has a high mass so will be weakly deflected.
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