Formula: CoSe
titanium (II) selenide = SeTi
V2Se5 is the formula for vanadium V selenide.
Co(II)F3 The three needs to be small
cobalt II perchlorate is an ionic compond cobalt II has an oxidation number of +2; its symbol is Co perchlorate is a polyatomic ion with a charge of -1; its formula is ClO4 therefore the formula is Co(ClO4)2
The formula for cobalt(II) fluoride is CoF2, where cobalt has a +2 oxidation state and fluorine has a -1 oxidation state.
titanium (II) selenide = SeTi
Cobalt (II) selenide has the formula CoSe.
The formula for titanium(II) selenide is TiSe.
V2Se5 is the formula for vanadium V selenide.
Co(II)F3 The three needs to be small
cobalt II perchlorate is an ionic compond cobalt II has an oxidation number of +2; its symbol is Co perchlorate is a polyatomic ion with a charge of -1; its formula is ClO4 therefore the formula is Co(ClO4)2
The formula for cobalt II oxide is CoO. It contains one cobalt ion with a +2 charge and one oxide ion with a -2 charge, resulting in a neutral compound.
CoClO3 is the chemical formula for cobalt(II) chlorate. It is a compound formed by the cobalt(II) cation (Co2+) and the chlorate anion (ClO3-).
The formula for cobalt(II) fluoride is CoF2, where cobalt has a +2 oxidation state and fluorine has a -1 oxidation state.
The chemical formula for cobalt II acetate is Co(C2H3O2)2.
Almost certainly you are looking for Titanium(IV) Selenide, TiSe2, though the Titanium(III) compound, Ti2Se3 may exist as well. You should be more specific :)
The chemical Formula for Cobalt II hydrogen carbonate can be given.It is as follows :Co2HCO3.