Electron Shapes

How many lone pairs are on the central atom in XeF₄?

• 6
• 2
• 0
• 4

VSEPR stands for ________ theory.

• Valence Structure of Electron Pyramids and Regression
• Varied Structures of Electrons Paired and Replaced
• Varied Shell Energy of Protons and Radiation
• Valence Shell Electron Pair Repulsion

What is the electron geometry of a molecule with this structure ?

• trigonal pyramid
• linear
• bent
• angular

What is the electron geometry of a molecule with this structure ?

• tetrahedral
• trigonal pyramid
• angular or bent
• trigonal plane

T or F: Lone pairs around the oxygen atom of a water molecule play no role in determining its molecular geometry?

• True
• False

Which of the following most likely represents the molecular geometry of water?

• A
• B
• C
• D

The electron geometry of carbon dioxide is... 

• tetrahedral
• square
• planar
• linear

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

• Valence electrons
• Core electrons
• Protons
• Neutrons

What is the bond angle of a molecule with tetrahedral electron geometry?

• 90 Degrees
• 109.5 Degrees
• 120 Degrees
• 180 Degrees

What is the molecular geometry of PH₃?

• bent
• tetrahedral
• linear
• trigonal pyramidal