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

Aliases: Th

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Object «Thorium» has attributes

Attribute Value
Symbol Th
Standard state Solid
Atomic mass 232.038 u
Electron configuration [Rn]7s²6d²
Oxidation states
  • +4
Electronegativity (pauling scale) 1.3
Atomic radius (van der waals) 237 pm
Ionization energy 6.08 eV
Melting point 2023 K
Boiling point 5061 K
Density 11.72 g/cm³
Atomic number 90
Group name Actinide
Discovered 1828 year
Electron affinity Add

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There was one edit, no edits waiting approval. Last edited by fink.isabella(301), Jun 1, 2022 (18 fields were changed)
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