Which of the following is the correct order (in decreasing order) for the relative strengths of chemical bonds?
a. Covalent, ionic, hydrogen, van der Waals forces
b. Ionic, covalent, hydrogen, van der Waals forces
c. van der Waals forces, covalent, ionic, hydrogen
d. Hydrogen, covalent, van der Waals forces, ionic
e. Ionic, covalent, van der Waals forces, hydrogen
Answer: A