an Entity in Data Space: 134.155.108.49:8890
The formula for potassium sulfide is K2S This is because Potassium has a valence of 1+ and Sulfide has a valence of 2-, so you need 2 potassium cations and 1 sulfur anion in order to make it an ionic compound
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| http://dbkwik.webdatacommons.org | 6 |