cobalto — Co
L'elemento chimico cobalto è un elemento di tipo Metallo di transizione e simbolo Co. Ha una massa atomica di 58.933194 u e una configurazione elettronica [Ar] 3d7 4s2.
Synthétique
Radioactif
Liquide
Gaz
2870°
1
2
3
4
5
8
15
2
- Numero atomico
- 27
- Massa atomica
- 58.933194
- Simbolo
- Co
- Punto di fusione
- 1495
- Punto di ebollizione
- 2870
- Densità
- 8.86
- Periodo
- 4
- Gruppo
- 9
- Scoperta
- 1735 Brandt
- Abbondanza
- 25
- Raggio
- 1.7
- Elettronegatività
- 1.88
- Ionizzazione
- 7.881
- Isotopo
- 14
- Configurazione elettronica
- [Ar] 3d7 4s2
- Stato di ossidazione
- -1,1,2,3,4,5
- Elettrone
- 2,8,15,2
Minerali contenenti cobalto
| nome | Durezza | Densità | Formula chimica |
|---|---|---|---|
| Ahlfeldite | — | 3.37 | NiSeO3·2H2O |
| Allabogdanite | — | 7.11 | (Fe,Ni)2P |
| Alloclasite | — | 6.17 | CoAsS |
| Andreyivanovite | — | 0.00 | FeCrP |
| Aplowite | — | 2.33 | CoSO4·4H2O |
| Arhbarite | — | 0.00 | Cu2MgAsO4(OH)3 |
| Asbolane | — | 0.00 | Mn4+(O,OH)2·(Co,Ni,Mg,Ca)x(OH)2x·nH2O |
| Bieberite | — | 1.90 | CoSO4·7H2O |
| Boothite | — | 2.10 | CuSO4·7H2O |
| Bornhardtite | — | 0.00 | Co2+Co3+2Se4 |
| Bouazzerite | — | 2.81 | Bi6(Mg,Co)11Fe14(AsO4)18O12(OH)4·86H2O |
| Burgessite | — | 2.93 | Co2(H2O)4(AsO3OH)2·H2O |
| Campo del cielo | — | 7.80 | FeNi |
| Carminite | — | 5.03 | PbFe3+2(AsO4)2(OH)2 |
| Carrollite | — | 4.50 | CuCo2S4 |
| Cattierite | — | 4.80 | CoS2 |
| Clinosafflorite | — | 7.46 | CoAs2 |
| Cobaltarthurite | — | 3.22 | CoFe3+2(AsO4)2(OH)2·4H2O |
| Cobaltaustinite | — | 4.00 | CaCoAsO4(OH) |
| Cobaltite | — | 6.33 | CoAsS |
| Cobaltkieserite | — | 3.28 | CoSO4·H2O |
| Cobaltkoritnigite | — | 3.44 | Co(AsO3OH)·H2O |
| Cobaltlotharmeyerite | — | 0.00 | CaCo2(AsO4)2·2H2O |
| Cobaltneustädtelite | — | 5.81 | Bi2Fe3+(Co,Fe3+)(AsO4)2(O,OH)4 |
| Cobaltoblödite | — | 2.35 | Na2Co(SO4)2·4H2O |
| cobaltocalcite | — | 2.93 | CaCo3 |
| Cobaltogordaite | — | 0.00 | NaCo4(SO4)(OH)6Cl·6H2O |
| Cobaltomenite | — | 3.39 | CoSe4+O3·2H2O |
| Cobaltpentlandite | — | 5.22 | Co9S8 |
| Cobalttsumcorite | — | 5.31 | PbCo2(AsO4)2·2H2O |
| Cobaltzippeite | — | 4.30 | Co(UO2)2(SO4)O2·3.5H2O |
| Cochromite | — | 5.22 | CoCr2O4 |
| Cohenite | — | 7.20 | Fe3C |
| Comblainite | — | 3.05 | Ni4Co3+2CO3(OH)12·3H2O |
| Costibite | — | 6.89 | CoSbS |
| Erythrite | — | 2.95 | Co3(AsO4)2·8H2O |
| Ferroskutterudite | — | 0.00 | FeAs3 |
| Fletcherite | — | 4.00 | CuNi2S4 |
| Freboldite | — | 7.00 | CoSe |
| Gillardite | — | 0.00 | Cu3NiCl2(OH)6 |
| Glaucodot | — | 5.90 | Co0.5Fe0.5AsS |
| Guarinoite | — | 2.80 | Zn6SO4(OH)10·5H2O |
| Hastite | — | 7.22 | CoSe2 |
| Heterogenite | — | 4.13 | Co3+O(OH) |
| Hloušekite | — | 3.30 | (Ni,Co)Cu4(AsO4)2(AsO3OH)2·9H2O |
| Jaipurite | — | 5.45 | CoS |
| Jamborite | — | 2.67 | Ni2+1-xCo3+x(OH)2-x(SO4)x·nH2O where [x=1/3; n=(1-x)] |
| Jolliffeite | — | 7.10 | NiAsSe |
| Julienite | — | 1.65 | Na2Co(SCN)4·8H2O |
| Karpenkoite | — | 0.00 | Co3(V2O7)(OH)2·2H2O |
| Kieftite | — | 7.20 | CoSb3 |
| Kolwezite | — | 3.97 | CuCoCO3(OH)2 |
| Krettnichite | — | 4.50 | PbMn3+2(VO4)2(OH)2 |
| Langisite | — | 8.17 | CoAs |
| Leverettite | — | 3.71 | Cu3CoCl2(OH)6 |
| Linnaeite | — | 4.80 | Co3S4 |
| Magnesiopascoite | — | 2.43 | Ca2MgV5+10O28·16H2O |
| Martyite | — | 3.37 | Zn3V2O7(OH)2·2H2O |
| Mattagamite | — | 8.00 | CoTe2 |
| Melliniite | — | 7.88 | (Ni,Fe)4P |
| Metakirchheimerite | — | 3.20 | Co(UO2)2(AsO4)2·8H2O |
| Modderite | — | 8.00 | CoAs |
| Moorhouseite | — | 1.97 | CoSO4·6H2O |
| Neustädtelite | — | 5.81 | Bi2Fe3+(Fe3+,Co)2(AsO4)2(O,OH)4 |
| Nichromite | — | 5.24 | NiCr2O4 |
| Nickellotharmeyerite | — | 4.45 | CaNi2(AsO4)2·2H2O |
| Nickelschneebergite | — | 5.23 | BiNi2(AsO4)2(OH)·H2O |
| Nickelskutterudite | — | 6.50 | NiAs3-x |
| Oenite | — | 7.92 | CoSbAs |
| Oursinite | — | 3.67 | Co(UO2)2(SiO3OH)2·6H2O |
| Paganoite | — | 0.00 | NiBi3+OAsO4 |
| Pakhomovskyite | — | 2.71 | Co3(PO4)2·8H2O |
| Paracostibite | — | 6.90 | CoSbS |
| Penroseite | — | 6.58 | NiSe2 |
| Petewilliamsite | — | 4.90 | (Ni,Co)30(As2O7)15 |
| Pradetite | — | 3.31 | CoCu4(AsO4)2(AsO3OH)2·9H2O |
| Rappoldite | — | 0.00 | PbCo2(AsO4)2·2H2O |
| Roselite | — | 3.69 | Ca2Co(AsO4)2·2H2O |
| Roselite- | — | 3.71 | Ca2Co(AsO4)2·2H2O |
| Safflorite | — | 6.90 | CoAs2 |
| Schneebergite | — | 5.28 | BiCo2(AsO4)2(OH)·H2O |
| Siegenite | — | 4.50 | CoNi2S4 |
| Skutterudite | — | 6.50 | (Co,Ni,Fe)As3 |
| Smolyaninovite | — | 0.00 | Co3Fe3+2(AsO4)4·11H2O |
| Spherocobaltite | — | 4.21 | CoCO3 |
| Stavelotite-(La) | — | 4.49 | La3Mn2+3Cu2+(Mn3+,Fe3+,Mn4+)26(Si2O7)6O30 |
| Sugakiite | — | 0.00 | Cu(Fe,Ni)8S8 |
| Thérèsemagnanite | — | 2.52 | NaCo4(SO4)(OH)6Cl·6H2O |
| Trogtalite | — | 7.00 | CoSe2 |
| Tyrrellite | — | 6.00 | (Co,Cu,Ni)3Se4 |
| Villamanínite | — | 4.52 | CuS2 |
| Vozhminite | — | 6.20 | Ni4AsS2 |
| Wairauite | — | 8.00 | CoFe |
| Wendwilsonite | — | 3.52 | Ca2Mg(AsO4)2·2H2O |
| Westerveldite | — | 8.00 | FeAs |
| Willyamite | — | 6.76 | CoSbS |
| Wupatkiite | — | 1.87 | CoAl2(SO4)4·22H2O |