Die Elemente des Periodensystems

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

· 17. Dezember 1778 in Penzance, England
† 29. Mai 1829 in Genf, Schweiz

Englischer Chemiker.

Entdeckungsjahr: 1807

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