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Americium: Difference between revisions
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== Properties == | == Properties == | ||
Americium, a member of the [[actinides]], is a silver-white [[metal]].<ref name=Chemicool.com> [http://www.chemicool.com/elements/americium.html Americium] ''Chemicool.com''. Web. Author Unknown Published 15 October 2012.</ref> With an [[atomic number]] of ninety-five and a mass number of two hundred forty-three, this element only occurs in unstable, [[radioactive]] isotopes. With a melting point of 1176 <sup>o</sup>C (1449.15 K) and a boiling point of 2011 <sup>o</sup>C (2284.15 K), americium is found in a solid state in room temperature.<ref name=rsc.orgr> [http://www.rsc.org/periodic-table/element/95/americium Americium] ''Royal Society of Chemistry''. Web. Author Unknown. Accessed 11 Oct 2014.</ref> All isotopes of this element are radioactive, but the most common forms emit [[alpha particles]].<ref name=EnvironmentalChemistry.com>Barbalance, Kenneth. [http://environmentalchemistry.com/yogi/periodic/Am.html Periodic Table of Elements Element Americium - Am] ''EnvironmentalChemistry.com''. Web. Accessed 11 Oct 2014.</ref> | Americium, a member of the [[actinides]], is a silver-white [[metal]].<ref name=Chemicool.com> [http://www.chemicool.com/elements/americium.html Americium] ''Chemicool.com''. Web. Author Unknown Published 15 October 2012.</ref> With an [[atomic number]] of ninety-five and a mass number of two hundred forty-three, this element only occurs in unstable, [[radioactive]] isotopes. With a melting point of 1176 <sup>o</sup>C (1449.15 K) and a boiling point of 2011 <sup>o</sup>C (2284.15 K), americium is found in a solid state in room temperature.<ref name=rsc.orgr> [http://www.rsc.org/periodic-table/element/95/americium Americium] ''Royal Society of Chemistry''. Web. Author Unknown. Accessed 11 Oct 2014.</ref> All isotopes of this element are radioactive, but the most common forms emit [[alpha particles]]. Because of the intense radiation, americium can be extremely dangerous to anyone without proper protective equipment and adequate knowledge.<ref name=EnvironmentalChemistry.com>Barbalance, Kenneth. [http://environmentalchemistry.com/yogi/periodic/Am.html Periodic Table of Elements Element Americium - Am] ''EnvironmentalChemistry.com''. Web. Accessed 11 Oct 2014.</ref> | ||
== Occurrences == | == Occurrences == | ||
