Given the compound magnesium chloride, determine the charges of the ions and write the correct formula.

• A. Mg₂Cl, with Mg²⁺ and Cl^2- ions.
• B. MgCl₂, with Mg²⁺ and Cl^- ions.
• C. MgCl₃, with Mg³⁺ and Cl^- ions.
• D. MgCl, with Mg⁺ and Cl^- ions.

Answer: (B)