Final answer:
VSEPR theory relates to electron distribution and molecular shape by predicting how electron pairs arrange themselves around a central atom to minimize repulsion, thereby determining the molecule's shape.
Step-by-step explanation:
The valence shell electron-pair repulsion (VSEPR) theory relates to electron distribution and molecular shape. This theory helps us predict the three-dimensional structure of molecules based on the idea that electron pairs in the valence shell of an atom will arrange themselves to minimize repulsion. According to VSEPR theory, electron pairs, whether they form bonds or exist as lone pairs, repel each other and thus position themselves as far apart as possible, which determines the molecular geometry.
VSEPR theory accounts mainly for electron-pair repulsions; however, it is important to remember that other forces also play a role in the final arrangement of atoms within a molecule, including attractions between nuclei and electrons.