Calcium selenide, CaSe, is formed.
FeSe
an Ionic compound
Hydrogen selenide, with formula H2Se, is formed from reacting hydrogen and selenium.
Barium Selenide ---> Ba2+Se2- ---> BaSe
Calcium silicate.
The compound formed between sodium and selenium is named "sodium selenide" and has the formula Na2Se.
FeSe
Na2Se
The compound is a salt, CaCl2 (calcium chloride), which is formed by ionic bonds.
CaBr2
Sodium selenide is a compound formed between sodium and selenium.
The manganese(IV) selenide has the chemical formula MnSe2.
That would be chromium(IV) selenide with the formula CrSe2
The formula would be K2Se
it is simply CaCl2
The chemical formula of calcium carbonate is CaCO3.
Calcium Bromide