Potassium Forms K⁺ Ions and Sulfur Forms S^2- Ions

question 1

Multiple Choice

Potassium forms K⁺ ions and sulfur forms S^2- ions. The formula of potassium sulfide is

• A) KS.
• B) K₂S.
• C) KS₂.
• D) K₂S₂.

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