The method compares the abundance of a naturally occurring radioactive isotope within the material to the abundance of its decay products, which form at a known constant rate how are half life and radiocarbon dating used by scientists
decay. So let me redraw it. The mass spectrometer was invented in the black dating sites in london
and began to be used in radiometric dating in the s. Well, I don't know. Let's say I'm just staring at one carbon atom. This might be the one ultra-stable nucleus that just happened to, kind of, go against the least and stay carbon If I wait carbon's half-life-- this is a specific isotope of carbon.