VSEPR

Front

What does VSEPR stand for?

Back

Valence Shell Electron Pair Repulsion.

Front

What is the main principle of VSEPR theory?

Back

Molecular shapes are determined by the repulsion between electron pairs in the valence shell of the central atom.

Front

What molecular shape is associated with a central atom having no lone pairs and four bonded atoms?

Back

Tetrahedral.

Front

What is the bond angle in a tetrahedral molecule?

Back

~109.5 degrees.

Front

Which molecular shape has a bond angle of 120 degrees?

Back

Trigonal planar.

Front

What is the molecular shape of water (H2O)?

Back

Bent.

Front

What is the bond angle in a bent molecule like H2O?

Back

~104.5 degrees.

Front

Which molecule is an example of a linear shape?

Back

Carbon dioxide (CO2).

Front

What is the bond angle in a linear molecule?

Back

180 degrees.

Front

What is the molecular shape of ammonia (NH3)?

Back

Trigonal pyramidal.