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Facts about Americium

Americium

Toward this goal, the solvent extraction chemistry of americium may play an important role.

Americium

Americium (chemical symbol Am, atomic number 95) is a radioactive, synthetic metallic element, classified as an actinide.

Americium

Many radioisotopes of americium have been characterized, with the most stable being 243Am with a half-life of 7370 years, and 241Am with a half-life of 432.7 years.

Americium

Americium is an inner transition metal of the actinide series, located in period seven of the periodic table, between plutonium and curium.

Americium

Americium is also fissile; the critical mass for an unreflected sphere of 241Am is approximately 60 kilograms.

Americium

Americium has found its way into the household, where one type of smoke detector contains a tiny amount (about 0.2 microgram) of 241Am as a source of ionizing radiation.

Americium

The discovery of americium and curium was first announced informally on a children's quiz show in 1945.

Americium

The isotopes of americium range in atomic weight from 231.046 amu (231Am) to 249.078 amu (249Am).

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