GEOLOGY

Detailed explanation-1: -The valence shell electron pair repulsion (VSEPR) theory is a model used to predict 3-D molecular geometry based on the number of valence shell electron bond pairs among the atoms in a molecule or ion. This model assumes that electron pairs will arrange themselves to minimize repulsion effects from one another.

Detailed explanation-2: -Valence-Shell Electron-Pair Repulsion Theory (VSEPR)

Detailed explanation-3: -The Valence-Shell Electron-Pair Repulsion (VSEPR) theory helps us understand and predict the geometry (shape) of molecules or ions. The theory states that: Electron pairs repel each other whether they are in chemical bonds or lone pairs.

Detailed explanation-4: -The main postulates of VSEPR theory are as follows : i The shape of a molecule depends upon the number of valence shell electron pairs around the central atom. ii Pairs of electrons in the valence shell repel one another since their electron clouds are negatively charged.

Detailed explanation-5: -Valence shell electron pair repulsion (VSEPR) theory is a model in chemistry used to predict the shape of individual molecules based upon the extent of electron-pair electrostatic repulsion. It is also named Gillespie-Nyholm* theory after its two main developers.