![]() ![]() ![]() structure (b) thallium(I) chloride caesium chloride structure (c) caesium iodide caesium. It is a strong alkali in aqueous solution. Formula: Cs 2 S Hill system formula: Cs 2 S 1 CAS registry number: 1 Formula weight: 297. Use the figure to determine the formula of this compound. Caesium sulfide (also spelled cesium sulfide in American English) is an inorganic salt with a chemical formula Cs 2 S. Rubidium sulfide reacts with sulfur in hydrogen gas to form rubidium pentasulfide, Rb 2S 5. Cs+ Except where otherwise noted, data are given for materials in their standard state (at 25 ☌ 77 ☏, 100 kPa). Rubidium sulfide has a crystal lattice unit cell dimension of = 765.0 pm. It is a white solid with similar properties to other alkali metal sulfides.īy dissolving hydrogen sulfide into rubidium hydroxide solution, it will produce rubidium bisulfide, followed by rubidium sulfide. Rubidium sulfide is an inorganic compound and a salt with the chemical formula Rb 2S. ![]()
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