Potassium sulphide (or sulfide to use the modern spelling) is made of potassium and sulfur.
The -ide ending tells you that there are only two elements there.
The elements in potassium sulphide are potassium (K) and sulfur (S). Potassium is a metal, while sulfur is a non-metal. Potassium sulphide is an ionic compound formed by the combination of potassium cations and sulfide anions.
iron and sulfur
KHS
DYUUNII
Potassium is an element by itself.
potassium sulphide
Potassium and Iodine
Iron (Fe) and Sulfur (S) make up Iron Sulfide.
Potassium dichromate contain potassium, chromium and oxygen.
Three
iron and sulphur
Potassium sulfate is composed of two elements: potassium (K) and sulfur (S). The chemical formula for potassium sulfate is K2SO4, indicating that each molecule contains two potassium atoms, one sulfur atom, and four oxygen atoms.