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Lengua inglesa
americium
noun , chem (symbol Am, atomic number 95) a silvery-white radioactive metallic element, used as a source of alpha particles, that occurs naturally in trace amounts and is produced artificially by bombarding plutonium with neutrons.
[1945: named after America (where it was discovered by GT Seaborg, RA James and LO Morgan) + -ium (sense 1)]
noun , chem (symbol Am, atomic number 95) a silvery-white radioactive metallic element, used as a source of alpha particles, that occurs naturally in trace amounts and is produced artificially by bombarding plutonium with neutrons.
[1945: named after America (where it was discovered by GT Seaborg, RA James and LO Morgan) + -ium (sense 1)]
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