Answer
Potassium Sulfide
Work Step by Step
Here, we are given $K_2S$. Based on the compound, we see that K has a charge of +1, while S has a charge of 2-. Since this compound is ionic, we name it:
Potassium Sulfide
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.