a radioactive, metallic chemical element, one of the actinides, produced by the nuclear bombardment of curium: symbol, No; at. no. 102
Origin of nobeliumModL: so named (1957) after Nobel Institute in Stockholm, where discovered
A radioactive transuranic element in the actinide series artificially produced in trace amounts. Its most long-lived isotopes are No-255 with a half-life of 3.1 minutes, and No-259 with a half-life of 58 minutes. Atomic number 102; valence 2, 3. See Periodic Table.
Origin of nobeliumAfter Alfred Bernhard Nobel.
- a transuranic chemical element (symbol No) with an atomic number of 102.
Named for Alfred Nobel.