Back to Table
Atomic Number: 76
Os
Os

Osmium

190.2300 u

Category

transition metal

State at Room Temperature

solid

Electron Configuration

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 6s² 4f¹⁴ 5d⁶

Valence Electrons

2

Lewis Dot:••

Electronegativity

2.2

Pauling scale

Oxidation States

+3+4+6+8

Melting Point

3306 K

3032.85°C

Boiling Point

5285 K

5011.85°C

Density

22.59

g/cm³

Position in Table

Group 8Period 6d-block

Discovery

Historical Information

Discovered bySmithson Tennant
Year1803

Common Uses

Applications & Industries

Fountain pen tips, electrical contacts, alloys, fingerprint detection

Need more chemistry tools? Check out vexilforge.com for additional resources.