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Interactive OnLine Periodic Table - Click on the Atomic Symbol to see the Atomic Weight, number, history & physical description. Includes CAS, density, crystal structure, % purity, and particle size for each product
Physical Properties of Elements for Research & Industry
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AMERICIUM

Atomic Symbol

Am

Atomic Weight

(243.0614)

Atomic Number

95

Electron Configuration

2-8-18-32-25-8-2

Oxidation States

+3, +4, +5, +6

State of Matter

Synthetic heavy metal-ductile

Boiling Point

Unknown

Melting Point

850 °C

HISTORY, BACKGROUND & USES:
Discovered in 1944 by Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, and Albert Ghiorso. Americium is a radioactive element that has a silvery white color that sullies in air. It has been used in fluid-density gauges, aircraft fuel gauges, and distance sensing devices.

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