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So the electromagnetic force holds matter together, but in a quantum mechanical way. As for metallic bonds I have no clue how that works. The idea seems to be that a sea of electrons acts as a glue that holds together an array of nucleons. Not sure how Schrodinger's equation gets you that.
When you spread adhesive, it wets the surface you apply it to. Lots of very weak electrostatic forces between the glue molecules and the molecules in the surface (called van der Waals forces for the physicist Johannes Diderik van der Waals (1837â1923) who discovered them) hold the two things together.lues can also form physical (mechanical) bonds with the surface they're sticking to. Suppose the surface is porous (full of holes). The glue can seep into those holes and grip through them, like a climber's fingers grabbing holes in a rock face.