Answer:
C) = -ide
Step-by-step explanation:
The name of given compounds are end with -ide.
Chemical Formula: Chemical name
FeS Iron sulfide (-ide)
NaCl Sodium chloride (-ide)
Al₃O₂ Aluminium oxide (-ide)
FeS: Iron sulfide:
Iron sulfide is also called ferrous sulfide. It is the chemical compound of iron and sulfide. Its molar mass is 87.9 g/mol.
NaCl: Sodium chloride:
Sodium chloride is ionic compound. It is made up of sodium and chlorine. The oxidation state of sodium in this compound is +1 while the oxidation sate of chlorine is -1.
Al₃O₂: Aluminium oxide:
It is the chemical compound of aluminium and oxygen. The oxidation state of aluminium is +2 while oxidation sate of oxygen is -3 in this compound.