VSEPR

Front

What does VSEPR stand for?

Back

Valence Shell Electron Pair Repulsion.

Front

What is the main principle of VSEPR theory?

Back

The shape of a molecule is determined by the repulsion between electron pairs in the valence shell.

Front

What shape does a molecule with four bonding pairs and no lone pairs have?

Back

Tetrahedral.

Front

What is the bond angle in a tetrahedral molecule?

Back

109.5 degrees.

Front

What shape does a molecule with three bonding pairs and one lone pair have?

Back

Trigonal pyramidal.

Front

What is the bond angle in a trigonal pyramidal molecule?

Back

Approximately 107 degrees.

Front

What shape does a molecule with two bonding pairs and two lone pairs have?

Back

Bent.

Front

What is the bond angle in a bent molecule?

Back

Approximately 104.5 degrees.

Front

How many unshared pairs of electrons are in a trigonal pyramidal molecule?

Back

1.

Front

What is the bond angle for a trigonal planar molecule?

Back

120 degrees.