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1. WordNet® 3.0 (2006)
nobelium
    n 1: a radioactive transuranic element synthesized by bombarding
         curium with carbon ions; 7 isotopes are known [syn:
         nobelium, No, atomic number 102]

2. The Elements (07Nov00)
nobelium
Symbol: No
Atomic number: 102
Atomic weight: (254)
Radioactive metallic transuranic element, belongs to the actinoids.
Seven
known isotopes exist, the most stable being No-254 with a half-life of
255
seconds. First identified with certainty by Albert Ghiorso and Glenn T.
Seaborg in 1966. Unnilbium has been proposed as an alternative name.


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