GKFix MCQ Question

Which of the following is a correct statement about covalent and van der Waals radii?

• A. Van der Waals radius is smaller than covalent radius
• B. Van der Waals and covalent radii are equal
• C. Van der Waals radius is sometimes smaller than covalent radius
• D. Van der Waals radius is always larger than covalent radius