VSEPR Theory Review

Front

What does VSEPR stand for?

Back

Valence Shell Electron Pair Repulsion

Front

What is the main idea of VSEPR theory?

Back

Molecules adopt shapes that minimize repulsion between electron pairs.

Front

What molecular shape does CH₄ (methane) have?

Back

Tetrahedral.

Front

What is the bond angle in a tetrahedral molecule?

Back

Approximately 109.5 degrees.

Front

What molecular shape does NH₃ (ammonia) have?

Back

Trigonal pyramidal.

Front

What is the bond angle in a trigonal pyramidal molecule?

Back

Approximately 107 degrees.

Front

What molecular shape does H₂O (water) have?

Back

Bent or V-shaped.

Front

What is the bond angle in a bent molecule?

Back

Approximately 104.5 degrees.

Front

What type of bond forms between Se and Cl?

Back

Covalent bond.

Front

What type of bond forms between Be and F?

Back

Ionic bond.