By: Angela Mabry

95Am(243)

Americium

Properties & UsesProperties & Uses

Melting Point:994oCBoiling Point:2607oCMelting Point:994oCBoiling Point:2607oC Ionization source for smoke detectors Ionization source for smoke detectors Am-241 as a portable source of Am-241 as a portable source of gamma rays.gamma rays. Solid at 298 K Solid at 298 K Silvery whiteSilvery white It has also been used as a radioactive glass thickness for It has also been used as a radioactive glass thickness for

the flat glass industry the flat glass industry Atomic number: 95Atomic number: 95 Atomic symbol: Am Atomic symbol: Am Atomic weight: 243Atomic weight: 243

Americium Americium History History

and Other and Other FactsFacts

Origin: The element is named after America.Origin: The element is named after America. Description: A man-made radioactive metal, a few grams of Description: A man-made radioactive metal, a few grams of

which are produced from plutonium in nuclear reactors which are produced from plutonium in nuclear reactors each year. each year.

Found: Found: Americium is available to qualified users in the UK and in Americium is available to qualified users in the UK and in the USA. the USA.

Discovered by: Discovered by: G.T. Seaborg in 1945G.T. Seaborg in 1945 Tarnishes slowly in dry air at room temperature.Tarnishes slowly in dry air at room temperature. Am has been used as a portable source for gamma radiographyAm has been used as a portable source for gamma radiography ..

Ionization source for smoke detectorsIonization source for smoke detectorsA few grams are produced from plutonium in nuclear A few grams are produced from plutonium in nuclear reactors each yearreactors each year..

It has also been used as a radioactive glass thickness It has also been used as a radioactive glass thickness for the flat glass industry for the flat glass industry

Origin

Properties

Uses

BasicInfo

Named after Named after AmericaAmerica

Atomic number: Atomic number: 9595 Atomic symbol: Atomic symbol: Am Am Atomic weight: 243Atomic weight: 243

Solid at 298 K Solid at 298 K Silvery whiteSilvery white

Melting Point:994oCMelting Point:994oC

Boiling Point:2607oCBoiling Point:2607oC

Sources

http://www.chemicalelements.com/index.html http://www.chemsoc.org/viselements/pages/pertable_

fla.htm http://www.webelements.com/webelements/scholar/el

ements/periodic-table/uses.html nautilus.fis.uc.pt/st2.5/scenes-e/elem/e09590.html -

2k www.corrosionsource.com/handbook/periodic/95.htm

- 8k www.lenntech.com/Periodic-chart-elements/Am-

en.htm - 15k www.webelements.com/webelements/

elements/text/Am/key.html - 34k