Oloa

Cobalt※I le gagana Siamani o lona uiga o le agaga o le tiapolo.

Numera atomika＝27

mamafa atomika＝58.933200

Fa'ailoga elemene＝Co

Malosi●8.910g/cm 3 (aituaiga)

O le maualuga o le Cobalt Tetroxide (Co 73%) ma le Cobalt Oxide (Co 72%)

Cobalt (II) Oxidee foliga mai o se olive-lanumeamata i tioata mumu, po o le efuefu pe uliuli pauta.Cobalt (II) Oxideo lo'o fa'aaogaina tele i le alamanuia sima e fai ma mea fa'aopoopo e fatu ai iila lanu moana ma fa'amalama fa'apea fo'i i fale kemikolo mo le gaosia o masima cobalt(II).
Cobalt(II) Hydroxide po'o Cobaltous Hydroxide 99.9% (metala faavae)

Cobalt(II) Hydroxide or Cobaltous Hydroxideose vai e le mafai ona fa'afefeteina fa'apogai Cobalt. O se fa'aputuga fa'a-organic ma le fua fa'atatauCo(OH)2, o lo'o aofia ai ivalent cobalt cations Co2+ma hydroxide anions HO−. O le Cobaltous hydroxide e foliga mai e pei o le rosa-mumu efuefu, e solu i acids ma vaifofo masima ammonium, e le mafai ona solu i vai ma alkalies.
Cobaltous Chloride (CoCl2∙6H2O i faiga faapisinisi) Su'esu'e 24%

Cobaltous Chloride(CoCl2∙6H2O i faiga faapisinisi), o se lanu piniki e suia i le lanumoana pe a faʻamago, e faʻaaogaina i le tapenaina o le faʻamaʻi ma e fai ma faʻaaliga o le susu.
Hexaamminecobalt(III) chloride [Co(NH3)6]Cl3 su'ega 99%

O le Hexaamminecobalt(III) Chloride ose fa'atasiga o le cobalt e aofia ai le hexaamminecobalt(III) cation fa'atasi ma le tolu chloride anion e fai ma fa'afeagai.