GKFix MCQ Question

What is the value of 1 electronvolt in joules?

• A. 1.6 × 10⁻¹⁸ J
• B. 1.6 × 10⁻¹⁹ J
• C. 1.6 × 10⁻²⁰ J
• D. 1.6 × 10⁻¹⁷ J