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

Aliases: Ta

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Object «Tantalum» has attributes

Attribute Value
Symbol Ta
Standard state Solid
Atomic mass 180.9479 u
Electron configuration [Xe]6s²4f¹⁴5d³
Oxidation states
  • +5
Electronegativity (pauling scale) 1.5
Atomic radius (van der waals) 217 pm
Ionization energy 7.89 eV
Electron affinity 0.322 eV
Melting point 3290 K
Boiling point 5731 K
Density 16.4 g/cm³
Atomic number 73
Group name Transition metal
Discovered 1802 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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