Nobelium was discovered by Albert Ghiorso, Glenn T. Seaborg, John R. Walton and Torborn Sikkeland in 1958 at the University of California, Berkeley.
Name: Nobelium
Symbol: No
Atomic number: 102
Atomic weight: 259.10
State: solid
Group, period, block: n/a, 7, f
Color: unknown
Classification: actinide
Electron configuration: 5f14 7s2
2,8,18,32,32,8,2
Physical properties
Density: no data
Melting point: 1100 K,827 °C,1521 °F
Boiling point: no data
Atomic properties
Oxidation states: 2, 3
Electronegativity: 1.3 (Pauling scale)
Ionization energies: 1st: 641.6 kJ·mol-1
Covalent radius: no data
Van der Waals radius: no data
- No
Electron Configuration
Isotopes
Nobelium has no stable isotopes. The first isotope to be discovered was 254No in 1966.