What does Hooke’s law have to do with atoms and molecules?
Hooke’s law describes the elastic potential and behaviour of certain solid objects and materials. By extension, it can also be used to describe how far a given object can be stretched before excess force causes displacements to the constituent ions, atoms, or molecules, thus rendering the object incapable of returning to its original shape and/or form. To put it simply, if an object is stretched too far past its elasticity limit, molecular changes mean it will break.