Unformatted text preview: radioactive elements that are known to pose high safety risks. Their half-life of over a day and their radioactivity levels make them have little potential for any commercial use. (5) highly radioactive elements. Because of their half-time as low as a couple of minutes, they pose severe health risks and is unlikely that they will receive any use outside basic research. (6) extremely radioactive elements. Very little is known about these elements, and will likely never receive any attention outside research laboratories....
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- Summer '10
- Radioactive Decay, Chemical element, million years, commercial applications, radioactive elements, 500 years