Oxidation as loss of electrons in magnesium ionization

Steps:

• Identify the process: Magnesium atoms (Mg) form ions (Mg²⁺) by losing two electrons: Mg → Mg²⁺ + 2e⁻.
• Recall definitions: Oxidation is loss of electrons (OIL RIG); reduction is gain of electrons (RIG OIL).
• Apply to process: Loss of electrons means oxidation occurs.
• Match to choices: Select the option stating oxidation due to electron loss.

Why A is correct:

• Oxidation defined as loss of electrons, matching Mg → Mg²⁺ reaction.

Why the others are wrong:

• B: Reduction involves gain, not loss, of electrons.
• C: Process involves loss, not gain, of electrons.
• D: Oxidation involves loss, not gain, of electrons.

Final answer: A