102No

Nobelium

Actinide

Nobelium (No) is element 102, an actinide, in period 7 of the periodic table. Its atomic mass is usually given as 259, it melts at 827 °C. Discovered by Georgy Flyorov, 1966.

Atomic Number102

SymbolNo

NameNobelium

Atomic Weight259 u

CategoryActinide

Period7

Melting Point827 °C

Electron Config[Rn] 5f14 7s2

Discovered ByGeorgy Flyorov, 1966

More Actinides