What does the acronym vsepr represent {spelling is important} question 1 options: ?

VPESR is an acronym (a word composed of the first letters of a phrase)  that stands for Valence Shell Electron Pair Repulsion.

It's a scientific theory in the field of chemisty, and it predicts the shape of a molecule based on what atoms form this molecule.

If you want to understand the meaning of the name, you can devide it into

Valence shell electron
-electrons that are on the "outside" of the atom and can form bonds with other atoms

and it's the repulsion of these electrons that is being predicted.