Multiple choice

Van der Waal's forces acts in

  1. covalent crystals

  2. metallic crystals

  3. molecular crystals

  4. ionic crystals

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

In molecular crystals, the constituent particles are molecules. These molecules are held together by weak forces known as Van der Waal's forces. Common examples are dry ice, wax, iodine, sulphur, etc.