Symbol: AmDate of discovery: 1945Name origin: country AmericaAppearance: unknownDiscoverer: G.T. SeaborgObtained from: man-made Melting point: 1176 KBoiling point: 2607 KDensity[kg/m3]: 13.6Molar volume: 17.63 × 10-6 m3/molProtons/Electrons: 95Neutrons: 148Shell structure:...
SYMBOL Am ATOMIC NUMBER 95 ATOMIC MASS 243.0614 FAMILY Actinide Transuranium element PRONUNCIATION am-uh-REE-see-um Americium was first produced in a nuclear reactor. A nuclear reactor is a device in which elements are bombarded by neutrons, sometimes forming new elements. The nam...
Americium is a synthetic radioactive chemical element with the symbol Am and atomic number 95. It is a transuranic member of the actinide series, in the periodic table located under the lanthanide element europium, and thus by analogy was named after the Americas. What is the origin of the e...
(Elements & Compounds) a white metallic transuranic element artificially produced from plutonium. It is used as an alpha-particle source. Symbol: Am; atomic no: 95; half-life of most stable isotope,243Am: 7.4 × 103years; valency: 2,3,4,5, or 6; relative density: 13.67; melting pt: ...
Americium ( ) is a transuranic radioactive chemical element that has the symbol Am and atomic number 95. This transuranic element of the actinide series is located in the periodic table below the lanthanide element europium, and thus by analogy was named after another continent, America. 例句与...
(Elements & Compounds) a white metallic transuranic element artificially produced from plutonium. It is used as an alpha-particle source. Symbol: Am; atomic no: 95; half-life of most stable isotope,243Am: 7.4 × 103years; valency: 2,3,4,5, or 6; relative density: 13.67; melting pt: ...