no·bel·i·um /noˈbɛlɪəm/ 名詞
n : a radioactive transuranic element synthesized by bombarding
curium with carbon ions; 7 isotopes are known [syn: No,
atomic number 102]
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.