Verified answer

Sure, here is the list of compounds and their names:

• Cr₂(SO4)2 - chromium(II) sulfate
• K₂SO4 - potassium sulfate
• Mg(NO3)2 - magnesium nitrate
• Nis - nickel sulfide

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I hope this helps Cutiepie ❤️!

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Answer:

(ii) K₂SO4 - Potassium sulfate

(iv) Nis - Nickel sulfide

(i) Cr₂(SO4)2 - Chromium(II) sulfate

(iii) Mg (NO3)2 - Magnesium nitrate