Compound Formula Elements present
Sodium chloride NaCl Sodium, chlorine
Magnesium oxide MgO Magnesium, oxygen
Iron (II) sulfide FeS Iron, sulfur
Sodium hydroxide NaOH Sodium, oxygen, hydrogen
Calcium carbonate CaCO3 Calcium, carbon, oxygen
Copper (II) sulfate CuSO4 Copper, sulfur, oxygen
Hydrochloric acid Hcl Hydrogen, chloride
Sulfuric acid H2SO4 Hydrogen, sulfur, oxygen
Sucrose (sugar) C12H22O11 Carbon, hydrogen, oxygen