Nobelium is a synthetic chemical element with symbol No and atomic number 102. It is named in honor of Alfred Nobel, the inventor of dynamite and benefactor of science. A radioactive metal, it is the tenth transuranic element and is the penultimate member of the actinide series.

Atomic Weight: 3423
Density:       24 g/cm3
Melting Point: 234
Boiling Point: 5224