Question

What is the chemical formula for the compound magnesium perchlorate? Use the list of polyatomic ions and the periodic table to help you answer.

Answer 1

The chemical formula for the compound magnesium perchlorate is Mg(ClO₄)₂

Magnesium perchlorate or Mg(ClO₄)₂ is an ionic compound.

Perchlorate here is an anion which is represented by ClO₄⁻. Perchlorate is a polyatiomic anion, where one Cl atom is bonded to four O atoms.

The magnesium cation is represented by Mg²⁺

So one Mg²⁺ cation combines with two ClO₄⁻ anion to form one molecule of Mg(ClO₄)₂

Answer 2

Answer:

D. Mg(ClO4)2 ( numbers are subscript )

Explanation:

I got it correct in my test :)