4.3 Molecular Shapes

Front

What is the molecular geometry of water (H₂O)?

Back

Bent

Front

What is the molecular geometry of boron trichloride (BCl₃)?

Back

Trigonal planar

Front

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

Back

Trigonal planar

Front

What is the preferred number of electrons in the valence shell for most stable atoms?

Back

8

Front

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

Back

Tetrahedral

Front

Define 'molecular geometry'.

Back

The three-dimensional arrangement of atoms in a molecule.

Front

What is the shape of a molecule with two bonding pairs and one lone pair?

Back

Bent

Front

What is the molecular geometry of a molecule with one bonding pair and three lone pairs?

Back

Linear

Front

What is the effect of lone pairs on molecular geometry?

Back

Lone pairs repel more strongly than bonding pairs, altering the shape.

Front

What is the VSEPR theory?

Back

Valence Shell Electron Pair Repulsion theory; predicts molecular shapes based on electron pair repulsion.