How does radioactive dating work Hot chat online free kolkata

Students often struggle with this concept; therefore, it should be stressed that it is impossible to know exactly when each of the radioactive elements in a rock will decay.

Statistical probablity is the only thing we can know exactly.

The only way that this can happen is by changing the number of protons in the nucleus (an element is defined by its number of protons).The number associated with an isotope is its atomic mass (i.e., protons plus neutrons).The element itself is defined by the atomic number (i.e., the number of protons).Carbon dating uses the carbon-14 isotope, with a half life of about 5700 years.Carbon dating has the peculiar property that it works primarily on dead things.

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