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Aliases: Es

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Object «Einsteinium» has attributes

Attribute Value
Symbol Es
Atomic number 99
Group name Actinide
Standard state Solid
Atomic mass 252.083 u
Electron configuration [Rn]7s²5f¹¹
Oxidation states
  • +3
Electronegativity (pauling scale) 1.3
Atomic radius (van der waals) 245 pm
Ionization energy 6.42 eV
Melting point 1133 K
Discovered 1952 year
Electron affinity Add
Boiling point Add
Density Add

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There was one edit, no edits waiting approval. Last edited by fink.isabella(237), Jun 1, 2022 (16 fields were changed)
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