# Which of the following atomic bonds are characterized by physical forces?
A. Ionic bonds
B. Van der Waal bonds
C. Metallic bonds
D. Covalent bonds
The correct answer is B. van der Waals bonds
van der Waals forces—Short-range force of physical attraction that promotes adhesion between
molecules of liquids or molecular crystals.
Reference: PHILLIPS’ SCIENCE OF DENTAL MATERIALS, Anusavice, Shen, Rawls, 12th Edition, Page No: 17
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