Evaluate the process of forming a cation from magnesium.

• A. Magnesium loses two electrons from its outer shell, achieving a configuration similar to neon.
• B. Magnesium loses one electron to fill its s subshell, achieving a configuration similar to neon.
• C. Magnesium gains one electron to fill its s subshell, achieving a configuration similar to neon.
• D. Magnesium gains two electrons to fill its p subshell, achieving a configuration similar to neon.

Answer: (A)