hydrogen sulfide molecule, structural chemical formula, ball-and-stick model, image chalcogen-hydride gas

hydrogen sulfide chalcogenhydride gas molecule molecular structure chemical formula isolated model h2s atom chemistry sulfur acid suicide volcano poisonous science illustration sour stink sulphide education atomic flammable foul reduction compound sewer suspended hydrosulfuric bond school toxic odor damp symbol flatulence hypothermia reducing structural ball- -stick image chalcogen-hydride ball- -stick gas