The chemical formula for element selenium is indicated by se. Native selenium is a rare mineral which does not usually forms good crystals. Hence it is used in the manufacture of specimens
The chemical formula of selenium tetrafluoride is SeF4.
The chemical formula for lithium is Li and for selenium it is Se.
The chemical formula of iron(III) and selenium is Fe2Se3 - iron(III) selenide.
SeO2 is the chemical formula for selenium dioxide.
The carbon diselenide (not carbonate) is CSe2.
Rubidium: Rb Selenium: Se
The chemical formula for zinc selenide is ZnSe.
The compound formed between iron and selenium is iron(II) selenide, with the chemical formula FeSe.
The manganese(IV) selenide has the chemical formula MnSe2.
Hydrogen Selenide and it is extremely toxic when inhaled.
The chemical formula of the compound formed when sodium reacts with selenium is Na2Se. This compound is called sodium selenide.
That would be chromium(IV) selenide with the formula CrSe2