Hassium ¶

AtomicNumber: 108

Element: Hassium

Symbol: Hs

AtomicMass: 267.0

NumberofNeutrons: 159

NumberofProtons: 108

NumberofElectrons: 108

Period: 7

Group: 8.0

Phase: artificial

Radioactive: yes

Natural: nan

Metal: yes

Nonmetal: nan

Metalloid: nan

Type: Transactinide

AtomicRadius: nan

Electronegativity: nan

FirstIonization: nan

Density: 41.0

MeltingPoint: nan

BoilingPoint: nan

NumberOfIsotopes: nan

Discoverer: Armbruster and M�nzenberg

Year: 1983.0

SpecificHeat: nan

NumberofShells: 7

NumberofValence: nan