VSEPR Review

Front

What is a lone pair?

Back

A pair of non-bonding electrons on the central atom.

Front

What is the molecular geometry of BF3?

Back

Trigonal planar.

Front

Which molecular geometry has unshared pairs (lone) of electrons on the central atom?

Back

Bent.

Front

Identify the molecule with the formula H2S.

Back

H2S has a bent molecular geometry due to the presence of lone pairs.

Front

What is the molecular geometry of CH4?

Back

Tetrahedral.

Front

What is the molecular geometry of CO2?

Back

Linear.

Front

Define VSEPR theory.

Back

Valence Shell Electron Pair Repulsion theory predicts the shape of molecules based on the repulsion between electron pairs.

Front

What is the shape of a molecule with four bonding pairs and no lone pairs?

Back

Tetrahedral.

Front

What molecular geometry is associated with two bonding pairs and two lone pairs?

Back

Bent.

Front

What is the bond angle in a trigonal planar molecule?

Back

120 degrees.