Its an element.
Francium is not a compound, but a chemical element.
The chemical formula for francium is Fr and the chemical formula for arsenic is As.
Fr2Te is a chemical compound composed of francium (Fr) and tellurium (Te). It is a rare and unstable compound due to the highly radioactive nature of francium.
The compound francium iodide don't exist now.
This compound is not known.
The chemical formula for Francium Bromide is FrBr (one francium atom bonded to one bromide atom). Francium is a highly reactive alkali metal and bromide is a halogen.
The chemical formula (not equation) of a theoretically possible francium phosphide is Fr3P.
The chemical formula of francium dichromate is Fr2(Cr2O7)3.
Francium chloride is a radioactive chemical compound with the formula FrCl. It is predicted to be a white solid and is soluble in water. Its properties resemble caesium chloride. It is produced by the reaction of hydrochloric acid with francium metal. Source: Wikipedia
This compound was not prepared; the chemical formula will be FrF.
Francium sulfide is the compound that contains francium and sulfur.
The compound francium permanganate has the chemical formula FrMnO4. Hope that helped!