Give the complete nuclear equation for the beta decay reaction of Mg-28.

• A. ₂₈¹²Mg → ₁₃²⁸Al + _-1⁰e
• B. ₁₂²⁸Mg → ₁₃²⁸Mg + _-1⁰e
• C. ₁₂²⁸Mg → ₁₃²⁸Al + _-1⁰e
• D. ₁₂²⁸Mg → ₁₂²⁹Mg + ₀^-1e

Answer: (C)