Osmium [+]Compare [E]dit [H]istory

Aliases: Os

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Object «Osmium» has attributes

Attribute Value
Symbol Os
Standard state Solid
Atomic mass 190.2 u
Electron configuration [Xe]6s²4f¹⁴5d⁶
Oxidation states
  • +3
  • +4
Electronegativity (pauling scale) 2.2
Atomic radius (van der waals) 216 pm
Ionization energy 8.7 eV
Electron affinity 1.1 eV
Melting point 3306 K
Boiling point 5285 K
Density 22.57 g/cm³
Atomic number 76
Group name Transition metal
Discovered 1803 year

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There was one edit, no edits waiting approval. Last edited by fink.isabella(301), Jun 1, 2022 (19 fields were changed)
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