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Aliases: Am

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Object «Americium» has attributes

Attribute Value
Symbol Am
Standard state Solid
Atomic mass 243.06138 u
Electron configuration [Rn]7s²5f⁷
Oxidation states
  • +3
  • +4
  • +5
  • +6
Electronegativity (pauling scale) 1.3
Atomic radius (van der waals) 244 pm
Ionization energy 5.993 eV
Melting point 1449 K
Boiling point 2284 K
Density 13.69 g/cm³
Atomic number 95
Group name Actinide
Discovered 1944 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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