Po

POLONIUM

Definition from poland, a country of Curie. the scarcest natural element. it is a good source of alpha radiation

Discovery 1898 by marie curie of france

Uses nuclear batteries, brushes of films

Group of Elements metalloids(Solid)

Atomic Weight (209)

Oxidation State +2,4

Melting Point 254

Boiling Point 962

Density 9.4 g/cm3

Electronegativity 2.0