adatingnest com - Carbon dating formula explained

by  |  20-Apr-2015 00:59

The nucleus of a typical carbon atom has 6 protons and 6 neutrons.

But about one carbon atom out of every 100 has one extra neutron.

This has very little effect on the properties of the carbon, other than making it slightly heavier. It is formed high in the atmosphere when cosmic rays strike atoms of nitrogen converting them into Carbon -14.

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But since carbon-14 is formed at a steady rate, there is a constant level of it in the environment.

Out of every trillion carbon atoms in your body, only one dozen of them are carbon-14.

As long as an organism is alive and eating, it maintains a constant ratio of carbon-14 to regular carbon.

"Physics (Chapter 2): Carbon Dating: (How) Does It Work?

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