What is the compound in FeS? Chemistry Matter Compounds 1 Answer anor277 Sep 13, 2016 #"Ferrous sulfide."# Explanation: This is typically a refractory, black solid. Answer link Related questions Why compounds of transition metals are coloured? What compounds conduct electricity? Are compounds considered pure substances? What compounds are insoluble in water? What compounds are electrolytes? What compounds are hydrophobic? How can I calculate the molar mass of a compound? How can compounds be broken down? Can compounds be both ionic and covalent? How are molecular compounds named? See all questions in Compounds Impact of this question 2778 views around the world You can reuse this answer Creative Commons License