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

Aliases: Hf

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Object «Hafnium» has attributes

Attribute Value
Symbol Hf
Standard state Solid
Atomic mass 178.49 u
Electron configuration [Xe]6s²4f¹⁴5d²
Oxidation states
  • +4
Electronegativity (pauling scale) 1.3
Atomic radius (van der waals) 212 pm
Ionization energy 6.825 eV
Melting point 2506 K
Boiling point 4876 K
Density 13.3 g/cm³
Atomic number 72
Group name Transition metal
Discovered 1923 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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