Lead and Sulphur =)!
Hope I helped! Y
It is a compound because iron and sulfur are two individual elements that you can find on the periodic table.
iron and sulfur
The compound calcium sulfide is made up of calcium (Ca) and sulfur (S) elements.
Hydrogen sulphide has the chemical formula H2S. It is made up of hydrogen and sulfur, so the molecule is a compound.
Lead is a compound element that is made up of elements in the carbon group. It has the element maker of Pb. Lead at may contain trace elements of iron but it is not a major component.
Iron (Fe) and Sulfur (S) make up Iron Sulfide.
cobalt sulphide
Lead chloride is composed of one lead (Pb) atom and two chloride (Cl) ions. The chemical formula for lead chloride is PbCl2.
Iron sulfide is not a metal. It is a chemical compound with the appearance of a metal, but it does not have some of the characteristics of a metal. For example, it does not conduct electricity.
Lead nitrate is composed of the elements lead (Pb), nitrogen (N), and oxygen (O). It has the chemical formula Pb(NO3)2, consisting of one lead (Pb) atom, two nitrogen (N) atoms, and six oxygen (O) atoms.
PbSO4 is a compound made up of three elements: lead, sulfur and oxygen, chemically bonded together (= not mixed!).
Lead nitrate is a chemical compound with the formula Pb(NO3)2. In this compound, lead (Pb) is bonded to two nitrate (NO3-) ions. Therefore, there are three elements joined in lead nitrate: lead, nitrogen, and oxygen.