SymbolNo
Latin nameNobelium
Atomic number102
Period7
Element categoryInner transition elements
Relative atomic mass259.1009
GroupIII.B
Oxidation numbers
2, 3
State
Solid
Thermal conductivity [W m-1K-1]
10
Discovery
1957
1.st ionization energy [eV]
6.65
Stable isotopes
0
Unstable isotopes
7