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Uranium-238 decays by alpha emission into thorium-234, which itself decays by beta emission to protactinium-234, which decays by beta emission to uranium-234, and so on.
The various decay products, (sometimes referred to as “progeny” or “daughters”) form a series starting at uranium-238.
(An isotope is a version of the element with a differing number of neutrons in its nucleus.) To understand uranium, it's important to understand radioactivity.This process, known as radioactive decay, generally results in the emission of alpha or beta particles from the nucleus.It is often also accompanied by emission of gamma radiation, which is electromagnetic radiation, like X-rays.The article is in straightforward language and the non-technical reader could profitably work through it., we find that this ration is the same if we sample a leaf from a tree, or a part of your body.