Ionization Smoke Detector. By Shawna Miller & Crystal Thomas. Outline. Define Terms Americum-241 Ionizing Radiation Alpha Particles Curie What it is How it works Look inside an Ionization Chamber Simplify A look into the safety factor Sources. What is americium-241?.
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By Shawna Miller & Crystal Thomas
Americium (chemical symbol Am) is a man-made radioactive metal, with Atomic Number 95.
A silvery metal; whose isotopes americium-237 through -246 are all radioactive. Americium-241 is formed spontaneously by the beta decay of plutonium-241.
A typical detector contains 0.9 micro-curie of americum-241