How is radiactive dating performed Fuck buddy chat site com


31-Dec-2017 21:20

(The nucleus of an atom is made up of protons and neutrons.) For example, the element carbon, which always has six protons in its nucleus, has three isotopes: one with six neutrons in the nucleus, one with seven, and one with eight.

Some isotopes are stable, but some are unstable or radioactive.

Radiometric dating shows that almost all meteorites are between 4.5 and 4.7 billion years old.Radiometric dating works best on igneous rocks, which are formed from the cooling of molten rock, or magma.



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