Americium-241

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Science and technology

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What Wikipedia says

Americium-241 (241Am, Am-241) is an isotope of americium. Like all isotopes of americium, it is radioactive, with a half-life of 432.6 years. 241Am is the most common isotope of americium as well as the most prevalent americium isotope in radioactive waste.

Excerpt from the Wikipedia article “Americium-241”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Andrew Magill, CC BY 2.0, via Wikimedia Commons.