chapter 4 chemical bonding

A molecular geometry with 3 bonding pairs is

• Trigonal pyramidal

• Trigonal planar

• Trigonal bipyramidal

• T-shaped

A molecular geometry with 2 lone pairs and 2 bonding pairs is

• Tetrahedral

• Trigonal pyramidal

• Bent

• Linear

what is the arrangement of electron pair of a molecule with 3 lone pairs and 2 bonding pairs

• Linear

• Trigonal planar

• Octahedral

• Trigonal bipyramidal

The bond angle of trigonal planar is

• 90 degrees

• 120 degrees

• Less than 120 degrees

• Less than 90 degrees

XeF4 is a square planar. It has

• 4 bonding pairs

• 6 bonding pairs

• 4 bonding pairs with 2 lone pairs

• 5 bonding pairs with 1 lone pair

What is the bond angle of see saw molecular geometry?

• 90, 120 degrees

• 90 degrees

• Less than 90 degrees, less than 120 degrees

• Less than 180 degrees

Electron pair of square pyramidal are

• 4 bonding pairs with 1 lone pair

• 3 bonding pairs with 2 lone pairs

• 2 bonding pairs with 3 lone pairs

• 5 bonding pairs with 1 lone pair

The bond angle of a molecule that has 3 bonding pairs with one lone pair is

• 109.5 degrees

• 120 degrees

• Less than 109.5 degrees

• Less than 120 degrees

 A lone pair is defined as

• A pair of bonding electrons
• One non-bonding electron
• A pair of non-bonding electrons
• A pair of electrons on the central atom

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons
• Inner shell electrons
• Mobile Electrons
• Electrons closest to the nucleus