GKFix MCQ Question

What is the main difference between covalent and van der Waals radii?

• A. Covalent radius is for nonbonded atoms, van der Waals radius is for bonded atoms
• B. Covalent radius includes valence shell, van der Waals radius does not
• C. Covalent radius is larger than van der Waals radius
• D. Covalent radius is for bonded atoms, van der Waals radius is for nonbonded atoms