English Dictionary: mendelevium | by the DICT Development Group |
2 results for mendelevium | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From The Elements (22Oct97) [elements]: | |
mendelevium Symbol: Md Atomic number: 101 Atomic weight: (256) Radioactive metallic transuranic element. Belongs to the actinoid series. Only known isotope, Md-256 has a half-life of 1.3 hours. First identified by Glenn T. Seaborg, Albert Ghiorso and associates in 1955. Alternative name {unnilunium} has been proposed. Named after the 'inventor' of the periodic table, Dmitri Mendeleev. |