GKFix MCQ Question

What is the radius of a carbon atom if 2×10⁸ atoms arranged side by side span 2.4 cm?

• A. 6×10⁻¹⁰ m
• B. 6×10⁻¹¹ m
• C. 6×10⁻¹² m
• D. 6×10⁻⁹ m