Answer:
Cobalt(II) bromide (CoBr2) is an inorganic compound.
Other anions: cobalt(II) fluoride; cobalt(II) chloride; cobalt(II) iodide
Other cations: iron(II) bromide; nickel(II) bromide
Chemical formula: CoBr2, CoBr2.6H2O, CoBr2.2H2O