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K - kalium - ALKALIMETAAL
Synthetisch
Radioactief
Vloeistof
Gasvormig
Elektronisch configuratiediagram
| Nom | kalium |
| Aantal | 19 |
| Atomair | 39.0983 |
| Symbool | K |
| Fusie | 63.7 |
| Koken | 774 |
| Dichtheid | 0.862 |
| Periode | 4 |
| Groep | 1 |
| Ontdekking | 1807 Davy |
| Overvloed | 20900 |
| Straal | 2.8 |
| Elektronegativiteit | 0.82 |
| Ionisatie | 4.3407 |
| Aantal isotopen | 10 |
| Elektronische configuratie | [Ar] 4s1 |
| Oxidatie stelt | 1 |
| Elektron op energieniveau | 2,8,8,1 |
| Mineralen | Hardheid | Dichtheid | Formule |
| Abernathyite | 2.00 / 3.00 | 3.31 | K(UO2)AsO4·3H2O |
| Acmonidesite | (NH4,K,Pb)8NaFe2+4(SO4)5Cl8 | ||
| Adolfpateraite | 2.00 / 2.00 | 4.24 | K(UO2)(SO4)(OH)·H2O |
| Afghanite | 5.50 / 6.00 | 2.55 | Na22Ca10(Si24Al24)O96(SO4)6Cl6 |
| Agakhanovite-(Y) | 6.00 / 6.00 | 2.67 | YCa2KBe3Si12O30 |
| Agricolaite | 4.00 / 4.00 | 3.53 | K4(UO2)(CO3)3 |
| Agrinierite | 5.62 | K2Ca[(UO2)3O3(OH)2]2·5H2O | |
| Ajoite | 2.96 | K3Cu2+20Al3Si29O76(OH)16·8H2O | |
| Alcaparrosaite | 4.00 / 4.00 | 2.81 | K3Ti4+Fe3+(SO4)4O·2H2O |
| Aleksandrovite | 4.00 / 4.50 | 3.07 | KLi3Ca7Sn2(SiO3)12F2 |
| Alexkhomyakovite | K6(Ca2Na)(CO3)5Cl·6H2O | ||
| Alloriite | 5.00 / 5.00 | 2.35 | (Na,K,Ca)24(Na,Ca)4Ca4(Si,Al)48O96(SO4)4(SO3,CO3)2(OH,Cl)2·4(H2O,OH) |
| Almarudite | 6.00 / 6.00 | 2.71 | K(Na)2(Mn,Fe,Mg)2(Be,Al)3Si12O30 |
| Alsakharovite-Zn | 5.00 / 5.00 | 2.90 | NaSrKZn(Ti,Nb)4(Si4O12)2(O,OH)4·7H2O |
| Altisite | 6.00 / 6.00 | 2.64 | Na3K6Ti2Al2Si8O26Cl3 |
| Alum-(K) | 2.00 / 2.00 | 1.76 | KAl(SO4)2·12H2O |
| Aluminoceladonite | KMgAlSi4O10(OH)2 | ||
| Alumoklyuchevskite | 2.00 / 2.00 | 3.10 | K3Cu2+3AlO2(SO4)4 |
| Alunite | 3.50 / 4.00 | 2.59 | KAl3(SO4)2(OH)6 |
| Amazoniet | 6.00 / 6.00 | 2.56 | KAlSi3O8 |
| Ambrinoite | 3.31 | [K,(NH4)]2(As,Sb)6(Sb,As)2S13·H2O | |
| Amicite | 5.00 / 5.50 | 2.06 | K2Na2(Si4Al4O16)·5H2O |
| Ammonioleucite | 5.50 / 6.00 | 2.29 | (NH4)AlSi2O6 |
| Anandite | 3.00 / 4.00 | 3.94 | BaFe2+3(Si3Fe3+)O10S(OH) |
| Andrianovite | 5.00 / 5.00 | 3.02 | Na12(K,Sr,Ce)3Ca6Mn3Zr3NbSi25O73(O,H2O,OH)5 |
| Andyrobertsite | 3.00 / 3.00 | 4.01 | KCdCu5(AsO4)4[As(OH)2O2]·2H2O |
| Anhydrokainite | KMgSO4Cl | ||
| Annite | 2.50 / 3.00 | 3.17 | KFe2+3AlSi3O10(OH)2 |
| Anorthoclase | 6.00 / 6.00 | 2.57 | (Na,K)AlSi3O8 |
| Antipinite | 2.00 / 2.00 | 2.55 | KNa3Cu2(C2O4)4 |
| Aphthitalite | 3.00 / 3.00 | 2.70 | K3Na(SO4)2 |
| Aqualite | 4.00 / 5.00 | 2.66 | (H3O)8(Na,K,Sr)5Ca6Zr3Si26O66(OH)9Cl |
| Arapovite | 5.50 / 6.00 | 3.43 | (K1-xx)(Ca,Na)2U4+Si8O20 (x~0.5) |
| Arcanite | 2.00 / 2.00 | 2.66 | K2SO4 |
| Archerite | 2.00 / 2.00 | 2.00 | H2KPO4 |
| Armbrusterite | 3.50 / 3.50 | 2.78 | Na6K5Mn3+Mn2+14[Si9O22]4(OH)10·4H2O |
| Arnhemite | 2.33 | K4Mg2(P2O7)2·5H2O | |
| Arrojadite-(BaFe) | 3.54 | BaFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 | |
| Arrojadite-(KFe) | 5.00 / 5.00 | 3.50 | (KNa)Fe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 |
| Arrojadite-(KNa) | KNa3(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 | ||
| Arrojadite-(SrFe) | SrFe2+(CaNa2)Fe2+13Al(PO4)11(PO3OH)(OH)2 | ||
| Ashcroftine-(Y) | 5.00 / 5.00 | 2.61 | K5Na5Y12Si28O70(OH)2(CO3)8·8H2O |
| Aspidolite | 2.00 / 3.00 | 2.89 | NaMg3(Si3Al)O10(OH)2 |
| Astrophyllite | 3.00 / 3.50 | 3.30 | K2NaFe2+7Ti2(Si4O12)2O2(OH)4F |
| Atlasovite | 2.00 / 2.50 | 4.20 | Cu2+6Fe3+Bi3+O4(SO4)5·KCl |
| Avdoninite | 3.00 / 3.00 | 3.03 | K2Cu5Cl8(OH)4·2H2O |
| Avogadrite | 2.62 | KBF4 | |
| Balestraite | 2.50 / 3.00 | 2.95 | KLi2V5+Si4O12 |
| Balliranoite | (Na,K)6Ca2(Si6Al6O24)Cl2(CO3) | ||
| Bannermanite | 3.50 | (Na,K)xV4+xV5+6-xO15 (0.5< x<0.9) | |
| Bannisterite | 4.00 / 4.00 | 2.83 | (Ca,K,Na)(Mn2+,Fe2+)10(Si,Al)16O38(OH)8·nH2O |
| Baratovite | 3.50 / 3.50 | 2.92 | KLi3Ca7Ti2(SiO3)12F2 |
| Bario-olgite | 4.00 / 4.50 | 4.00 | Na(Na,Sr,Ce)2Ba(PO4)2 |
| Barium-zinc alumopharmocosiderite | 2.50 / 2.50 | (Ba,K)0.5(Zn,Cu)0.5(Al,Fe)4(AsO4)3·5H2O | |
| Barrerite | 3.00 / 4.00 | 2.13 | Na2(Al2Si7)O18·6H2O |
| Bartonite | 3.50 / 3.50 | 3.31 | K6Fe20S26S |
| Barytolamprophyllite | 2.00 / 3.00 | 3.62 | Na3(BaK)Ti3(Si2O7)2O2(OH)2 |
| Batiferrite | 6.00 / 6.00 | BaTi2Fe3+8Fe2+2O19 | |
| Batisite | 5.90 / 5.90 | 3.43 | Na2BaTi2(Si4O12)O2 |
| Baylissite | 2.00 | K2Mg(CO3)2·4H2O | |
| Bellbergite | 5.00 / 5.00 | 2.20 | (K,Ba,Sr)2Sr2Ca2(Ca,Na)4(Si,Al)36O72·30H2O |
| Benyacarite | 2.50 / 3.00 | 2.40 | KTiMn2+2Fe3+2(PO4)4OF·15H2O |
| Berezanskite | 2.50 / 3.00 | 2.66 | KTi2(Li3Si12)O30 |
| Biachellaite | 5.00 / 5.00 | 2.52 | (Na,Ca,K)8(Si6Al6O24)(SO4)2(OH)0.5·H2O |
| Biphosphammite | 1.00 / 2.00 | 2.04 | (NH4,K)H2PO4 |
| Birnessite | 1.50 / 1.50 | 3.00 | (Na,Ca,K)0.6(Mn4+,Mn3+)2O4·1.5H2O |
| Bluestreakite | 2.00 / 2.00 | 2.63 | K4Mg2(V4+2V5+8O28)·14H2O |
| Bobshannonite | 4.00 / 4.00 | 3.79 | Na2KBa(Mn,Na)8(Nb,Ti)4(Si2O7)4O4(OH)4(O,F)2 |
| Boleite | 3.00 / 3.50 | 4.80 | KAg9Pb26Cu24Cl62(OH)48 |
| Boltwoodite | 3.50 / 4.00 | 3.60 | (K,Na)UO2(SiO3OH)·1.5H2O |
| Bornemanite | 3.50 / 4.00 | 3.47 | Na6BaTi2Nb(Si2O7)2(PO4)O2(OH)F |
| Boromuscovite | 2.50 / 3.00 | 2.81 | KAl2(Si3B)O10(OH)2 |
| Brannockite | 5.00 / 6.00 | 2.98 | KSn2(Li3Si12)O30 |
| Braunerite | K2Ca(UO2)(CO3)3·6H2O | ||
| Brewsterite-Sr | 5.00 / 5.00 | 2.45 | Sr(Al2Si6)O16·5H2O |
| Brinrobertsite | 1.00 / 1.00 | (Na,K,Ca)0.3(Al,Fe,Mg)4(Si,Al)8O20(OH)4·3.5H2O | |
| Bubnovaite | 2.66 | K2Na8Ca(SO4)6 | |
| Burnsite | 1.00 / 1.50 | KCdCu7O2(SeO3)2Cl9 | |
| Burovaite-Ca | 2.73 | (Na,K)4Ca2(Ti,Nb)8[Si4O12]4(OH,O)8·12H2O | |
| Bussyite-(Ce) | 3.00 | (Na,H2O)6(Ce,REE)3Be5MnSi9(O,OH)30F4 | |
| Bütschliite | 2.00 | K2Ca(CO3)2 | |
| Bykovaite | 3.00 / 3.00 | 2.98 | (Ba,Na,K)2(Na,Ti,Mn)4(Ti,Nb)2O2Si4O14(H2O,F,OH)2·3.5H2O |
| Bystrite | 5.00 / 5.00 | 2.43 | (Na,K)7Ca(Si6Al6)O24(S3)1.5·H2O |
| Calcinaksite | 5.00 / 5.00 | 2.62 | KNaCa(Si4O10)·H2O |
| Calcioandyrobertsite | 3.00 / 3.00 | KCaCu5(AsO4)4[As(OH)2O2]·2H2O | |
| Calciolangbeinite | K2Ca2(SO4)3 | ||
| Calciopetersite | 3.00 / 3.00 | 3.33 | Cu2+6Ca(PO4)2(PO3OH)(OH)6·3H2O |
| Calciouranoite | 4.00 / 4.00 | 4.62 | (Ca,Ba,Pb,K,Na)U2O7·5H2O |
| Canasite | 2.71 | K3Na3Ca5Si12O30(OH)4 | |
| Capranicaite | 2.41 | KCaNaAl4B4Si2O18 | |
| Carbokentbrooksite | 5.00 / 5.00 | 3.14 | (Na)12(Na,Ce)3Ca6Mn3Zr3NbSi25O73(OH)3(CO3)·H2O |
| Carletonite | 4.00 / 4.50 | 2.45 | KNa4Ca4Si8O18(CO3)4(F,OH)·H2O |
| Carlosruizite | 2.50 / 3.00 | 3.42 | K3Na2Na3Mg5(IO3)6(SeO4)6·6H2O |
| Carnallite | 2.50 / 2.50 | 1.60 | KMgCl3·6H2O |
| Carnotite | 2.00 / 2.00 | 3.70 | K2(UO2)2(VO4)2·3H2O |
| Carobbiite | 2.00 / 2.50 | 2.52 | KF |
| Caryochroite | 2.50 / 2.50 | 2.99 | (Na,Sr)3(Fe3+,Mg)10Ti2Si12O37(H2O,O,OH)17 |
| Cavoite | CaV3O7 | ||
| Celadonite | 2.00 / 2.00 | 2.95 | KMgFe3+Si4O10(OH)2 |
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