VSEPR and Molecular Geometry

Front

What does VSEPR stand for?

Back

Valence Shell Electron Pair Repulsion

Front

What is the primary purpose of VSEPR theory?

Back

To predict the molecular shape based on the repulsion between electron pairs around a central atom.

Front

What molecular geometry is associated with a molecule that has two bonding pairs and no lone pairs?

Back

Linear

Front

What molecular geometry is associated with a molecule that has three bonding pairs and no lone pairs?

Back

Trigonal planar

Front

What molecular geometry is associated with a molecule that has four bonding pairs and no lone pairs?

Back

Tetrahedral

Front

How many electron groups are around the central atom in a trigonal bipyramidal geometry?

Back

5

Front

What molecular shape is associated with a molecule that has two bonding pairs and one lone pair?

Back

Bent or angular

Front

What is the molecular shape of a molecule with four bonding pairs and one lone pair?

Back

Trigonal bipyramidal (seesaw) or square pyramidal, depending on the arrangement.

Front

What is the molecular shape of a molecule with three bonding pairs and one lone pair?

Back

Trigonal pyramidal

Front

What is the bond angle in a tetrahedral molecular geometry?

Back

Approximately 109.5 degrees.