Davis Chem Bonding Review

VSEPR theory is to

• determine the number of bonding and lone pairs electrons
• determine the number of ECC
• determine the shape and geometry of molecule
• determine the lewis structure of molecule

What shape would PH₃ have?

• Trigonal Planar

• Trigonal pyramidal

• Bent

• Linear

Consider the molecule below.  Determine the molecular geometry at each of the 2 labeled carbons.

• C1 = tetrahedral, C2 = linear
• C1 = trigonal planar, C2 = bent
• C1 = bent, C2 = trigonal planar
• C1 = trigonal planar, C2 = tetrahedral

What molecular shape is the structure shown here? (BCl₃)

• linear
• trigonal planar
• tetrahedral
• trigonal pyramidal

What molecular shape is the structure shown here? (H₂O)

• tetrahedral
• trigonal planar
• bent
• trigonal pyramidal

What molecular shape is the structure shown here? (NH₄⁺)

• linear
• trigonal planar
• tetrahedral
• trigonal pyramidal

What is the molecular shape of a silicon dioxide molecule?

• linear
• trigonal planar
• bent
• tetrahedral

Determine the molecular shape of carbon tetrafluoride.

• linear
• trigonal planar
• bent
• tetrahedral

Hexaboron silicide

• B₅S

• B₆S

• B₆Si

• Br₆Si₁

• Br₆Si

Chlorine dioxide

• Cl₁O₂

• CO₂

• ClO₂

• CrO₂