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Americium

Similar term(s): Am.

Definition:

Americium is a silvery metal and a completely man-made element whose 6 known isotopes are all radioactive.

Americium-241, the most common isotope, is formed spontaneously by the decay of plutonium-241 and has a half-life of 430 years.

More:

Trace quantities of americium are widely used in smoke detectors, for instance.

Source: GreenFacts, based on 4engr.com Glossary 

Related words:

Element

To read about this term in context:

GreenFacts Summary on the Chernobyl Nuclear Accident:

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