fer·mi·um /ˈfɛrmiəm, ˈfɚ/
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fer·mi·um /ˈfɛrmɪəm, ˈfɝ-/ 名詞
鐨
fermium
n : a radioactive transuranic metallic element produced by
bombarding plutonium with neutrons [syn: Fm, atomic
number 100]
fermium
Symbol: Fm
Atomic number: 100
Atomic weight: (253)
Radioactive metallic transuranic element, belongs to the actinoids. Ten
known isotopes, most stable is Fm-257 with a half-life of 10 days. First
identified by Albert Ghiorso and associates in the debris of the first
hydrogen-bomb explosion in 1952.