Assuming it's scandium(III), which is its most common valence state, the formula would be Sc2Se3.
The chemical formula for zinc selenide is ZnSe.
The chemical formula for sodium selenide is Na2Se.
The chemical formula of iron(III) and selenium is Fe2Se3 - iron(III) selenide.
Sc3P2 is the chemical formula for the compound scandium phosphide. It is a binary compound composed of scandium and phosphorus atoms. Scandium phosphide is often used in semiconductor applications.
The formula for titanium(II) selenide is TiSe.
The formula for scandium III selenide is Sc2Se3. This compound consists of two scandium ions (Sc3+) and three selenide ions (Se2-).
The chemical formula for boron selenide is B2Se3.
V2Se5 is the formula for vanadium V selenide.
The chemical formula for the compound formed between scandium(III) and the bromate ion is Sc(BrO3)3. Each scandium(III) ion will combine with three bromate ions to achieve a neutral compound with a balanced charge.
The chemical formula for copper selenide is Cu2Se.
Formula: Se2-
The chemical formula for scandium is Sc and for iodine is I2.
Formula: CaSe
Formula: CaSe
The chemical formula for zinc selenide is ZnSe.
Rubidium selenide has the formula Rb2Se.
Formula: ScCl3