4 What is the best synonym for the word "stolchlometry?"
A
Combining atoms
B
Balancing chemical equations
C
Discovering new chemical formulas
D
Breaking the chemical bonds that hold molecules together

Electrostatic Van de Waals forces act between molecules to form weak bonds. The types of Van der Waals forces, strongest to weakest, are dipole-dipole forces, dipole-induced dipole forces and the London dispersion forces. The hydrogen bond is based on a type of dipole-dipole force that is especially powerful. These forces help determine the physical characteristics of materials.