Unit 2 VSEPR Theory and Molecule Geometry

Front

VSEPR stands for ________ theory.

Back

Valence Shell Electron Pair Repulsion

Front

How many electron pairs are shared in a double bond?

Back

4

Front

Determine the molecular geometry at each of the 2 labeled carbons: C1 = ?, C2 = ?

Back

C1 = trigonal planar, C2 = tetrahedral

Front

What is the shape of a molecule with four bonding pairs and no lone pairs according to VSEPR theory?

Back

Tetrahedral

Front

Choose the correct shape for 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

109.5 degrees

Front

What is the bond angle in a trigonal planar molecular geometry?

Back

120 degrees

Front

What type of molecular geometry is formed when there are two bonding pairs and two lone pairs?

Back

Bent

Front

In VSEPR theory, what does the term 'lone pair' refer to?

Back

A pair of valence electrons that are not shared with another atom.

Front

What is the molecular geometry of a molecule with two bonding pairs and no lone pairs?

Back

Linear