Nobelium

Metal

synthetic

Symbol: No
Atomic number: 102
Atomic mass: (259.1011)
Group: Actinide
CAS-number: 10028-14-5

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Electronic data

Shells: 2, 8, 18, 32, 32, 8, 2
Orbitals: [Rn] 5f¹⁴ 7s²
Electronegativity: --, 1.2
1. Ionization potential: 6.65 eV
2. Ionization potential: -- eV
3. Ionization potential: -- eV
Oxidation states: 3, 2
Electrical conductivity: --

Thermal data

Melting point: -- °C
Boiling point: -- °C
Specific heat: -- J/gK
Heat of fusion: -- kJ/mol
Heat of vaporization: -- kJ/mol
Thermal conductivity: 0.1 W/cmK

Steric data

Atomic radius: -- Å
Ionic radius: -- Å
Covalent radius: -- Å
Atomic volume: -- cm³/mol
Density (293 K): -- g/cm³
Crystal structure: --

Nuclide	Mass	Spin	Halflife	Decay mode	Decay tree
²⁵³No	253.091	9/2	1.7m	α, EC	View
²⁵⁴No	254.091	0	55s	α, EC, SF	View
²⁵⁵No	255.093	1/2	3.1m	α, EC	View
²⁵⁷No	257.097	7/2	25s	α	View

Name origin:	Named in honor of Alfred Nobel, who invented dynamite and founded Nobel prize.
Description:	Synthetic radioactive metal.
Discovered by:	Nobel Institut für Physik
Year:	1957
Place:	Sweden
Sources:	Made by bombarding curium with carbon-13
Use(s):	It has no significant commercial applications.

Nobelium

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