Which Is Not the Correct Chemical Formula for the Compound

question 50

Multiple Choice

Which is not the correct chemical formula for the compound named?

• A) iron(II) oxide FeO
• B) potassium sulfate K₂SO₄
• C) ammonium sulfide NH₄S
• D) zinc nitrate Zn(NO₃)₂
• E) magnesium carbonate MgCO₃

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