Front

What is a lone pair?

Back

A pair of non-bonding electrons.

Front

What does VSEPR theory predict?

Back

Molecular Shape.

Front

What is the molecular shape of PCl3?

Back

Trigonal pyramidal.

Front

What is the molecular shape of CCl4?

Back

Tetrahedral.

Front

What is the molecular shape of H2S?

Back

Bent.

Front

Define VSEPR theory.

Back

Valence Shell Electron Pair Repulsion theory; it predicts the shape of molecules based on electron pair repulsion.

Front

What is the molecular shape of NH3?

Back

Trigonal pyramidal.

Front

What is the bond angle in a tetrahedral molecule?

Back

Approximately 109.5 degrees.

Front

What is the molecular shape of CO2?

Back

Linear.

Front

What is the effect of lone pairs on molecular shape?

Back

Lone pairs repel more strongly than bonding pairs, affecting the overall shape.