General Information
| Symbol: | Hf |
| Atomic Number: | 72 |
| Atomic Weight: (Atomic Mass, Molar Mass) | 178.49 |
| Group: | 4 (titanium family) |
| IVA (Old IUPAC), IVB (CAS) |
| Period: | 6 |
| Block: | d |
Physical Properties
| Density: | 13.3 g/cm3 |
| Atomic Volume: | 13.6 cm2/mole |
| Atomic Radius: | 1.67 angstroms |
| Covalent Radius: | pm |
| Radioactive: | No |
States
| Melting Point: | 2227.0 °C |
| Boiling Point: | 4600.0 °C |
| Heat Of Fusion: | 21.76 kJ/mole |
| Heat Of Vaporization: | 661.07 kJ/mole |
Energy
| Electronegativity: | 1.3 (Pauling Scale) |
| Electron Affinity: | kJ/mol |
| 1st Ionization Energy: | 659 kJ/mol |
| Specific Heat Capacity: | 0.14 J g−1 K−1 |
| Thermal Conductivity: | 23.0 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | 4 |
| Electrons Per Shell: | 2 8 18 32 10 2 |
| Electron Configuration: | [Xe] 4f14 5d2 6s2 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d2 6s2 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d2 6s2 |
History
| Discovered In: | 1923 |
| Discovered By: | Dirk Coster and George Charles von Hevesy |
| Discovered At: | Denmark |
| Word Origin: | From the Latin name "Hafnia" meaning "Copenhagen" |
Translations
| English | Hafnium |
| Deutsch | Hafnium |
| Lëtzebuergesch | Hafnium |
| Nederlands | Hafnium |
| Afrikaans | Hafnium |
| Frysk | Hafnium |
| Dansk | Hafnium |
| Svenska | Hafnium |
| Norsk | Hafnium |
| Íslenska | Hafnín |
| Føroysk | Hafnium |
| Latin | Hafnium |
| Français | Hafnium |
| Español | Hafnio |
| Catalana | Hafni |
| Occitana | Afni |
| Português | Háfnio |
| Galego | Hafnio |
| Italiano | Hafnio |
| Furlan | Afni |
| Român | Hafniu |
| Moldavian | Hafniu |
| Armãneashte | Hafniumu |
| Русский | Гафний |
| Українска | Гафній |
| by | Гафній |
| Polska | Hafn |
| Kaszëbsczi | Hafen |
| Čech | Hafnium |
| Slovenský | Hafnium |
| Slovenščina | Hafnij |
| Hrvatska | Hafnij |
| Српски | Хафниjум |
| Bosnian | Hafnij |
| Македонски | Хафниум |
| Български | Хафиий |
| Lietuviškai | Hafnis |
| Lao | Hafnijs |
| Sudovian | Hafnijan |
| Cymraeg | Haffniwm |
| Gaeilge na hÉireann | Haifniam |
| Gàidhlig na h | Haifniam |
| Gaelg Vanninagh | Hafnium |
| Cornish | Hafnyum |
| Brezhoneg | Hafniom |
| Ελληνική | Άφνιο |
| Shqip | Hafnium |
| Ossetian | Гафний |
| Euskera | Hafnioa |
| Georgian | ჰაფნიუმი |
| Suomi | Hafnium |
| Eesti | Hafnium |
| Magyar | Hafnium |
| Türkçe | Hafniyum |
| Kazakh | Гафний |
| Uzbek | Гафний |
| Tajik | Gafni' |
| Mongolian | Гафни |
| 日本語 | ハフニウム [hafuniumu] |
| 中国话 | 鉿 |
| ไทย | แฮฟเนียม |
| Vietnamese | Hafini |
| Bahasa Melayu | Hafnium |
| العربيه | هفنيوم |
| Il-Malti | Ħafnjum |
| עברית | הפניום |
| Esperanto | Hafnio |
Links
Misspellings: gafnium, bafnium, nafnium, jafnium, uafnium, yafnium, hzfnium, hsfnium, hwfnium, hqfnium, hadnium, hacnium, havnium, hagnium, hatnium, harnium, hafbium, hafmium, hafjium, hafhium, hafnuum, hafnjum, hafnkum, hafnoum, hafn9um, hafn8um, hafniym, hafnihm, hafnijm, hafniim, hafni8m, hafni7m, hafniun, hafniuk, hafniuj, afnium, hfnium, hanium, hafium, hafnum, hafnim, hafniu, ahfnium, hfanium, hanfium, hafinum, hafnuim, hafnimu, hhafnium, haafnium, haffnium, hafnnium, hafniium, hafniuum, hafniumm
