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Atomic Number: 84
Po
Po

Polonium

209.0000 u

Category

metalloid

State at Room Temperature

solid

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d¹⁰ 6p⁴

Valence Electrons

6

Lewis Dot:••••••

Electronegativity

2

Pauling scale

Oxidation States

+2+4

Melting Point

527 K

253.85°C

Boiling Point

1235 K

961.85°C

Density

9.196

g/cm³

Position in Table

Group 16Period 6p-block

Discovery

Historical Information

Discovered byMarie Curie, Pierre Curie
Year1898

Common Uses

Applications & Industries

Thermoelectric power, static eliminators, neutron sources

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