Transcription of Uranium Fact Sheet - Health Physics Society
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Uranium Fact Sheet - Health Physics Society
1 Health Physics Society Specialists in Radiation Safety Uranium fact Sheet Adopted: February 2011 Adopted from A Citizen s Guide to Uranium by Steven H. Brown, CHP What is Uranium ? Uranium is a naturally occurring metallic element that has always been present, since the formation of the earth. Like many other minerals, it has been deposited on land by volcanic action, dissolved by rainfall and, in some places, carried into underground formations. Sometimes chemical conditions resulted in its concentra-tion into ore bodies. It is a fairly common element in Earth s crust (soil, rock) and in sea and groundwater.
4 Half-Life The time it takes for one-half of the atoms in a radioactive isotope to decay. Isotope An atom of an element with the same number of protons but with different numbers of neutrons in the nuclei.
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