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Tag Archives: Half-Life

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Half-Life: Radioactive Elements Decay Over Time

ScienceBy William Anderson (Schoolworkhelper Editorial Team)August 31, 2010Leave a comment

Radioactive elements have a half-life. Half-life occurs naturally in some of the radioactive elements while it could be artificially stimulated in some other elements. The half life of any given element is the time that is required for one half of the sample to decay. For example:  If you have 10 grams of a radioactive…

What is Half-Life? (Chemistry)

ScienceBy William Anderson (Schoolworkhelper Editorial Team)July 4, 2010Leave a comment

Period after which only half of the original number of nuclei in a sample of a radioactive element have not decayed. ex.   half-life for uranium – 238           23892U = 4.6 x 109 years So after 4.6 x 109 years, only one half of the original uranium will be left

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