| Englisch, English, Anglais, Inglesi | Französisch, French, Français, Francesi | Italienisch, Italian, Italien, Italiano |
|---|---|---|
| Potassium | Potassium | Potassio |
 | |
|---|---|
| Ordnungszahl: | 19 |
| Symbol: | K |
| CAS-Nr.: | 7440-09-7 |
| Molare Masse (g/mol): | 39.0983 |
| Dichte (g/cm3): | 0.862 |
| Schmelzpunkt (°C): | 64 |
| Siedepunkt (°C): | 759 |
| Atomradius (pm): | 227.2 |
| Elektronenkonfiguration: | [Ar] 4s1 |
| Elektronegativität (Pauling): | 0.82 |
| Isotope: | 3 natürliche (39K bis 41K); 17 künstliche (35K bis 38K, 42K bis 54K) |
| Oxidationszahlen: | 0, 1 |
| Aggregatszustand (Normalbedingung): | fest |
| Aussehen: | silber-weiß |
| Kategorie: | Alkalimetall, unedles Metall |
| Entdecker: | 
Sir Humphry Davy |
Wichtige Verbindungen:
| Deutsch, German, Allemand, Tedesco | Englisch, English, Anglais, Inglesi | Französisch, French, Français, Francesi | Italienisch, Italian, Italien, Italiano | Formel |
|---|---|---|---|---|
| Kalium | potassium | potassium | potassio | K |
| Kaliumacetat | potassium acetate | acétate de potassium | acetato di potassio | CH3COOK |
| Kaliumalaun, Kaliumaluminiumalaun, Kaliumaluminiumsulfat | potassium alum, aluminium potassium sulphate 12-water, aluminium potassium sulphate | alun de potassium, sulfate d´aluminium-potassium | allume | KAl(SO4)2 · 12 H2O |
| Kaliumaluminat | potassium aluminate | aluminate de potassium | alluminato di potassio | K(Al(OH)4 |
| Kaliumamalgam | potassium amalgam | amalgame de potassium | amalgama di potassio | K · Hg |
| Kaliumbromat | potassium bromate | bromate de potassium | bromato di potassio | KBrO3 |
| Kaliumbromid | potassium bromide | bromure de potassium | bromuro di potassio | KBr |
| Kaliumcarbonat | potassium carbonate, potash | carbonate de potassium | carbonato di potassio | K2CO3 |
| Kaliumchlorat | potassium chlorate | chlorate de potassium | clorato di potassio | KClO3 |
| Kaliumchlorid | potassium chloride | chlorure de potassium | chloruro di potassio | KCl |
| Kaliumchromalaun | chrome potash alum, potassium chrome alum | alun de chrome-potassium | allume cromico di potassio | KCr(SO4)2 · 12 H2O |
| Kaliumchromat | potassium chromate | chromate de potassium | cromato di potassio | K2CrO4 |
| Kaliumcyanat | potassium cyanate | cyanate de potassium | cianato di potassio | KOCN |
| Kaliumcyanid | potassium cyanide | cyanure de potassium | cianuro di potassio | KCN |
| Kaliumdichromat | potassium dichromate | bichromate de potassium | dicromato di potassio | K2Cr2O7 |
| Kaliumdihydrogenphosphat | potassium dihydrogene phosphate | phospate monobasique de potassium | diidrogenofosfato di potassio | KH2PO4 |
| Kaliumeisenalaun | iron potassium alum, iron potassium sulphate 12-water | alun de potassium et de fer | ferro d' allume di potassio | KFe(SO4)2 · 12 H2O |
| Kaliumfluorid | potassium fluoride | fluorure de potassium | fluoruro di potassio | KF |
| Kaliumhexacyanoferrat(II) | potassium hexacyanoferrate(II), yellow prussiate of potash | hexacyanoferrate(II) de potassium | hexacianferrato(II) di potassio | K4[Fe(CN)6] |
| Kaliumhexacyanoferrat(III) | potassium hexacyanoferrate(III), red prussiate of potash | hexacyanoferrate(III) de potassium | hexacianferrato(III) di potassio | K3[Fe(CN)6] |
| Kaliumhydrogencarbonat | potassium hydrogencarbonate | hydrogénocarbonate de potassium | idrogencarbonato di potassio | KHCO3 |
| Kaliumhydrogenphosphat | dipotassium hydrogenphosphate | hydrogénophosphate de potassium | idrogenfosfato di potassio | K2HPO4 |
| Kaliumhydrogensulfat | potassium hydrogensulphate | sulfate d´hydrogène potassique | idrogensolfato di potassio | KHSO4 |
| Kaliumhydrogensulfid | potassium hydrogensulphide | hydrogénosulfure de potassium | idrogensolfuro di potassio | KHS |
| Kaliumhydrogensulfit | potassium hydrogensulphite | hydrogénosulfite de potassium | idrogensolfito di potassio | KHSO3 |
| Kaliumhydroxid | potassium hydroxide | hydroxyde de potassium | idrossido di potassio | KOH |
| Kaliumhyperchlorit | potassium hyperchlorite | hypochlorite de potassium | ipoclorito di potassio | KClO |
| Kaliumiodat | potassium iodate | iodate de potassium | iodato di potassio | KIO3 |
| Kaliumiodid | potassium iodide | iodure de potassium | ioduro di potassio | KI |
| Kaliummagnesiumsulfat | magnesium potassium sulphate | sulfate de potassium-magnésium | magnesia potassica | K2Mg2(SO4)3 |
| Kaliumnatriumtartrat | potassium sodium tartrate | tartrate de sodium et de potassium | tartrato di potassio e sodio | KNaC4H4O6 · 4 H2O |
| Kaliumnitrat | potassium nitrate | nitrate de potassium | nitrato di potassio | KNO3 |
| Kaliumnitrit | potassium nitrite | nitrite de potassium | nitrito di potassio | KNO2 |
| Kaliumoxalat | potassium oxalate | oxalate de potassium | ossalato di potassio | C2K2O4 |
| Kaliumoxid | potassium oxide | monoxyde de potassium | ossido di potassio | K2O |
| Kaliumhyperoxid | potassium hyperoxide | superoxyde de potassium | idrossido di potassio | KO2 |
| Kaliumperchlorat | potassium perchlorate | perchlorate de potassium | perclorato di potassio | KClO4 |
| Kaliumpermanganat | potassium permanganate | manganate de potassium(VII), permanganate de potassium | permanganato di potassio | KMnO4 |
| Kaliumperoxid | potassium peroxide | peroxyde de potassium | perossido di potassio | K2O2 |
| Kaliumperoxodisulfat | potassium peroxodisulphate | persulfate de potassium | perossodisolfato di potassio | K2S2O8 |
| Kaliumsulfat | potassium sulphate | sulfate de potassium | solfato di potassio | K2SO4 |
| Kaliumsulfit | potassium sulphite | sulfite de potassium | solfito di potassio | K2SO3 |
| Kaliumtartrat | potassium tartrate | tartrate de potassium | tartrato di potassio | C4H4K2O6 |
| Kaliumthiocyanat | potassium thiocyanate | thiocyanate de potassium | tiocianato di potassio | KSCN |
