General Information
| Symbol: | Fr |
| Atomic Number: | 87 |
| Atomic Weight: (Atomic Mass, Molar Mass) | (223) |
| Group: | 1 (alkali metals or hydrogen family/lithium family) |
| IA (Old IUPAC), IA (CAS) |
| Period: | 7 |
| Block: | s |
Physical Properties
| Density: | g/cm3 |
| Atomic Volume: | cm2/mole |
| Atomic Radius: | 2.7 angstroms |
| Covalent Radius: | pm |
| Radioactive: | Yes |
States
| Melting Point: | 27.0 °C |
| Boiling Point: | 677.0 °C |
| Heat Of Fusion: | 2.1 kJ/mole |
| Heat Of Vaporization: | 64.0 kJ/mole |
Energy
| Electronegativity: | 0.7 (Pauling Scale) |
| Electron Affinity: | -44 kJ/mol |
| 1st Ionization Energy: | 380 kJ/mol |
| Specific Heat Capacity: | J g−1 K−1 |
| Thermal Conductivity: | 15.0 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | 1 |
| Electrons Per Shell: | 2 8 18 32 18 8 1 |
| Electron Configuration: | [Rn] 7s1 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 7s1 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f14 5d10 6s2 6p6 7s1 |
History
| Discovered In: | 1939 |
| Discovered By: | Marguerite Perey |
| Discovered At: | France |
| Word Origin: | Named after "France" |
Translations
| English | Francium |
| Deutsch | Franzium |
| Lëtzebuergesch | Franzium |
| Nederlands | Francium |
| Afrikaans | Fransium |
| Frysk | Francium |
| Dansk | Francium |
| Svenska | Francium |
| Norsk | Francium |
| Íslenska | Fransín |
| Føroysk | Francium |
| Latin | Francium |
| Français | Francium |
| Español | Francio |
| Catalana | Franci |
| Occitana | Franci |
| Português | Frâncio |
| Galego | Francio |
| Italiano | Francio |
| Furlan | Franci |
| Român | Franciu |
| Moldavian | Franciu |
| Armãneashte | Frantsiumu |
| Русский | Франций |
| Українска | Францій |
| by | Францый |
| Polska | Frans |
| Kaszëbsczi | Frãs |
| Čech | Francium |
| Slovenský | Francium |
| Slovenščina | Francij |
| Hrvatska | Francij |
| Српски | Франциjум |
| Bosnian | Francij |
| Македонски | Франциум |
| Български | Франций |
| Lietuviškai | Francis |
| Lao | Francijs |
| Sudovian | Francis |
| Cymraeg | Ffransiwm |
| Gaeilge na hÉireann | Frainciam |
| Gàidhlig na h | Frainciam |
| Gaelg Vanninagh | Frankium |
| Cornish | Frankyum |
| Brezhoneg | Frañsiom |
| Ελληνική | Φραγκιο |
| Shqip | Francium |
| Ossetian | Франций |
| Euskera | Frantzioa |
| Georgian | ფრანციუმი |
| Suomi | Frankium |
| Eesti | Frantsium |
| Magyar | Francium |
| Türkçe | Fransiyum |
| Kazakh | Франций |
| Uzbek | Франций |
| Tajik | Franci' |
| Mongolian | Франци |
| 日本語 | フランシウム [furanshiumu] |
| 中国话 | 鈁 |
| ไทย | แฟรนเซียม |
| Vietnamese | Franxi |
| Bahasa Melayu | Fransium |
| العربيه | فرنسيوم |
| Il-Malti | Fransjum |
| עברית | פרנסיום |
| Esperanto | Francio |
Links
Misspellings: drancium, crancium, vrancium, grancium, trancium, rrancium, feancium, fdancium, ffancium, ftancium, f5ancium, f4ancium, frzncium, frsncium, frwncium, frqncium, frabcium, framcium, frajcium, frahcium, franxium, franvium, franfium, frandium, francuum, francjum, franckum, francoum, franc9um, franc8um, franciym, francihm, francijm, franciim, franci8m, franci7m, franciun, franciuk, franciuj, rancium, fancium, frncium, fracium, franium, francum, francim, franciu, rfancium, farncium, frnacium, fracnium, franicum, francuim, francimu, ffrancium, frrancium, fraancium, franncium, franccium, franciium, franciuum, franciumm
