General Information
| Symbol: | Cr |
| Atomic Number: | 24 |
| Atomic Weight: (Atomic Mass, Molar Mass) | 51.9961 |
| Group: | 6 (chromium family) |
| VIA (Old IUPAC), VIB (CAS) |
| Period: | 4 |
| Block: | d |
Physical Properties
| Density: | 7.19 g/cm3 |
| Atomic Volume: | 7.23 cm2/mole |
| Atomic Radius: | 1.3 angstroms |
| Covalent Radius: | 127 pm |
| Radioactive: | No |
States
| Melting Point: | 1857.0 °C |
| Boiling Point: | 2672.0 °C |
| Heat Of Fusion: | 20.0 kJ/mole |
| Heat Of Vaporization: | 339.5 kJ/mole |
Energy
| Electronegativity: | 1.7 (Pauling Scale) |
| Electron Affinity: | -65 kJ/mol |
| 1st Ionization Energy: | 653 kJ/mol |
| Specific Heat Capacity: | 0.449 J g−1 K−1 |
| Thermal Conductivity: | 93.7 W·m−1·K−1 |
Electrons & Oxidation
| Oxidation States: | +3,2,6 |
| Electrons Per Shell: | 2 8 13 1 |
| Electron Configuration: | [Ar] 3d5 4s1 |
| 1s2 2s2 2p6 3s2 3p6 3d5 4s1 |
| 1s2 2s2 2p6 3s2 3p6 3d5 4s1 |
History
| Discovered In: | 1797 |
| Discovered By: | Louis-Nicholas Vauquelin |
| Discovered At: | France |
| Word Origin: | From the Greek word "chroma" meaning "colour", named for the many coloured compounds known for chromium. |
Translations
| English | Chromium |
| Deutsch | Chrom |
| Lëtzebuergesch | Chrom |
| Nederlands | Chroom |
| Afrikaans | Chroom |
| Frysk | Groom |
| Dansk | Chrom or Krom |
| Svenska | Krom |
| Norsk | Krom |
| Íslenska | Króm |
| Føroysk | Krom |
| Latin | Chromium |
| Français | Chrome |
| Español | Cromo |
| Catalana | Crom |
| Occitana | Crom |
| Português | Crómo |
| Galego | Cromo |
| Italiano | Cromo |
| Furlan | Crom |
| Român | Crom |
| Moldavian | Crom |
| Armãneashte | Cromu |
| Русский | Хром |
| Українска | Хром |
| by | Хром |
| Polska | Chrom |
| Kaszëbsczi | Chróm |
| Čech | Chrom (Barvík †) |
| Slovenský | Chróm |
| Slovenščina | Krom |
| Hrvatska | Krom |
| Српски | Хром |
| Bosnian | Hrom |
| Македонски | Хром |
| Български | Хром |
| Lietuviškai | Chromas |
| Lao | Hroms |
| Sudovian | Chrāmas |
| Cymraeg | Cromiwm |
| Gaeilge na hÉireann | Cróimiam |
| Gàidhlig na h | Cròimiam |
| Gaelg Vanninagh | Cromium |
| Cornish | Cromyum |
| Brezhoneg | Krom |
| Ελληνική | Χρωμιο |
| Shqip | Krom |
| Ossetian | Хром |
| Euskera | Kromoa |
| Georgian | ქრომი |
| Suomi | Kromi |
| Eesti | Kroom |
| Magyar | Króm |
| Türkçe | Krom |
| Kazakh | Хром |
| Uzbek | Хром |
| Tajik | Hrom |
| Mongolian | Хром |
| 日本語 | クロム [kuromu] |
| 中国话 | 鉻 |
| ไทย | โครเมียม |
| Vietnamese | Crom |
| Bahasa Melayu | Kromium, Krom |
| العربيه | كروم |
| Il-Malti | Kromjum |
| עברית | כרום |
| Esperanto | Kromo |
Links
Misspellings: xhromium, vhromium, fhromium, dhromium, cgromium, cbromium, cnromium, cjromium, curomium, cyromium, cheomium, chdomium, chfomium, chtomium, ch5omium, ch4omium, chrimium, chrkmium, chrlmium, chrpmium, chr0mium, chr9mium, chronium, chrokium, chrojium, chromuum, chromjum, chromkum, chromoum, chrom9um, chrom8um, chromiym, chromihm, chromijm, chromiim, chromi8m, chromi7m, chromiun, chromiuk, chromiuj, hromium, cromium, chomium, chrmium, chroium, chromum, chromim, chromiu, hcromium, crhomium, chormium, chrmoium, chroimum, chromuim, chromimu, cchromium, chhromium, chrromium, chroomium, chrommium, chromiium, chromiuum, chromiumm
