The table shows the characteristics of four substances after they are placed in water.Substance Ion concentrationElectrical conductivity WMediumGoodXLowPoorYHighExcellentZNoneNoneWhich compound is most likely the strongest electrolyte?

The strongest electrolyte produces the most ions in water, allowing the solution to conduct electricity very well. Substance Y has a high ion concentration and excellent electrical conductivity, so it is the strongest electrolyte.

AI-written and checked against the verified answer.