Zer (Ce)
Allgemeine Eigenschaften
| Symbol | Ce |
|---|---|
| Ordnungszahl | 58 |
| Atomgewicht | 140.116 |
| Gruppe |
(Lanthanid)
Solid, Paramagnetic, Conductor, Lanthanide, Stable, Natural
|
| Periode | 6 |
| Block | f |
Physikalische Eigenschaften
| Dichte | 6.66 g/cm3 |
|---|---|
| Atomvolumen | 21.0 cm3/mole |
| Atomradius | 1.81 angstroms |
| Kovalenzradius | -- |
| Crust Abundance | 0.006% |
| Crystal Structure | Cubic: Face centered |
| Color | Silver |
Zustände
| Schmelzpunkt | 798.0 °C |
|---|---|
| Siedepunkt | 3257.0 °C |
| Neel Point | 12.5K |
| Schmelzwärme | 9.2 kJ/mol |
| Verdampfungswärme | 313.8 kJ/mol |
Energien
| Elektronengravität | 1.1 (Pauling-Skala) |
|---|---|
| Elektronenaffinität | 50 kJ/mol |
| 1. Ionisierungsenergie | 534 kJ/mol |
| 2. Ionization Energy | 1050 kJ/mol |
| 3. Ionization Energy | 1949 kJ/mol |
| 4. Ionization Energy | 3547 kJ/mol |
| 5. Ionization Energy | 6325 kJ/mol |
| 6. Ionization Energy | 7490 kJ/mol |
| Spezifische Wärmekapazität | 0.19 J g−1 K−1 |
| Wärmeleitfähigkeit | 11.4 W·m−1·K−1 |
Elektronen & Oxidation
| Oxidationsstufen | +3,4 |
|---|---|
| Elektronen pro Schale | 2 8 18 19 9 2 |
| Elektronenkonfiguration | [Xe] 4f1 5d1 6s2 |
| 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d10 5s2 5p6 4f1 5d1 6s2 | |
|
Orbital Diagramm
1s ↿⇂ 2s ↿⇂ 2p ↿⇂ ↿⇂ ↿⇂ 3s ↿⇂ 3p ↿⇂ ↿⇂ ↿⇂ 3d ↿⇂ ↿⇂ ↿⇂ ↿⇂ ↿⇂ 4s ↿⇂ 4p ↿⇂ ↿⇂ ↿⇂ 4d ↿⇂ ↿⇂ ↿⇂ ↿⇂ ↿⇂ 4f ↿ 5s ↿⇂ 5p ↿⇂ ↿⇂ ↿⇂ 5d ↿ 5f 6s ↿⇂ 6p 6d 6f |
|
Nuclear
| Radioaktiv | Nein |
|---|
Medien
- Description
- Malleable, ductile, iron-gray metal.
- Uses
- Its oxides are used in the optics and glass-making industries. Its salts are used in the photography and textile industry. Used in high-intensity carbon lamps and as alloying agents in special metals.
- Sources
- Most abundant rare earth metal. Found in many minerals like monazite sand [Ce(PO4)].
- Pronounciation (English)
- SER-i-em
Übersetzungen
| Afrikaans | Serium | |
| Aragonese | Zerio | |
| العربية | سيريوم | |
| Armãneashte | Tseriumu | |
| asturianu | Ceriu | |
| azərbaycan | Serium | |
| български | Церий | |
| বাংলা | সেরিয়াম | |
| brezhoneg | Seriom | |
| bosanski | Cerij[um] | |
| Byelorussian | Цэрый | |
| Cebuano | Ceryo | |
| čeština | Cer | |
| Chuvash | Цери | |
| Cymraeg | Ceri | |
| dansk | Cerium | |
| Deutsch | Zer | |
| Ελληνικά | Δημητριο | |
| English | Cerium | |
| esperanto | Cerio | |
| español | Cério | |
| eesti | Tseerium | |
| euskara | Zerioa | |
| فارسی | سریم | |
| suomi | Cerium | |
| føroyskt | Cerium | |
| français | Cérium | |
| furlan | Ceri | |
| Frysk | Cerium | |
| Gaeilge | Ceiriam | |
| Gàidhlig | Ceiriam | |
| galego | Cerio | |
| ગુજરાતી | સીરિયમનો | |
| Gaelg | Kerrium | |
| Hakka Chinese | Sṳ (鈰) | |
| עברית | סריום | |
| हिन्दी | सेरियम | |
| hrvatski | Cerij | |
| magyar | Cérium | |
| հայերեն | Ցերիում | |
| Indonesia | Serium | |
| íslenska | Serín | |
| italiano | Cerio | |
| 日本語 | セリウム | |
| ქართული | ცერიუმი | |
| کٲشُر | Cer | |
| қазақ тілі | Церий | |
| 한국어 | 세륨 | |
| kurdî | Seryûm | |
| Komi | Церий | |
| kernewek | Keryum | |
| кыргызча | Церий | |
| Latin | Cerium | |
| Lëtzebuergesch | Zer | |
| Lombard | Céri | |
| lingála | Selu | |
| lietuvių | Ceris | |
| latviešu | Cerijs | |
| Mari | Церий | |
| Māori | Cerium | |
| македонски | Цериум | |
| മലയാളം | സെറിയം | |
| монгол | Цери | |
| Мокшан | Цери | |
| Melayu | Serium | |
| Malti | Sirjum, ²Ċerju | |
| Nahuatl | Cerio | |
| Nederlands | Cerium | |
| norsk | Cerium | |
| Occitan | Ceri | |
| ирон | Церий | |
| polski | Cer | |
| português | Cério | |
| Runasimi | Seryu | |
| română | Ceriu | |
| русский | Церий | |
| slovenčina | Cér | |
| slovenščina | Cerij | |
| Samoan | Serimi | |
| Samogitian | Ceris | |
| shqip | Cerium | |
| српски | Церијум | |
| Southern Sotho | Seriamo | |
| svenska | Cerium | |
| Kiswahili | Seri | |
| தமிழ் | -- | |
| тоҷикӣ | Серий | |
| ไทย | ซีเรียม | |
| Türkçe | Seryum | |
| ئۇيغۇرچە | سېرىي | |
| українська | Церій | |
| o‘zbek | Seriy | |
| Tiếng Việt | Xeri | |
| Võro | Tseerium | |
| 中文 | 鈰 |
Geschichte
- Entdeckt
- 1803
- Entdeckt durch
- Wilhelm von Hisinger, Jöns Jacob Berzelius, Martin Klaproth
- Entdeckt in
- Sweden, Germany
- Wortherkunft
- Named after the asteroid Ceres which discovered in 1801, 2 years before the element