Electron and Molecular Geometries of Molecules

The bond angle for a tetrahedral geometry is ___.

• 90^o

• 109.5^o

• 120^o

• 180^o

What molecular geometry is illustrated here?

• tetrahedral

• trigonal planar

• bent

• trigonal pyramidal

Which of the following molecular geometries is NOT included in the image?

• tetrahedral

• trigonal pyramidal

• bent

• T-shape

What is the molecular geometry of BCl₃?

• linear

• trigonal planar

• tetrahedral

• trigonal pyramidal

What is the molecular geometry of the BeCl₂ molecule?

• linear

• bent

• trigonal planar

• tetrahedral

Which one of the following is the correct bond angle between atoms adopting a trigonal planar geometry?

• 180°

• 109.5°

• 90°

• 120°

Ammonia, NH₃, adopts a tetrahedral geometry. However, the non-bonding pair on the central nitrogen atom distorts the bond angle away from the expected 109.5°. Which of the following statements correctly describes how the bond angle is distorted?

• The actual bond angle is reduced: it is less than 109.5°

• The actual bond angle is increased: it is more than 109.5°

Which molecular geometry is illustrated above?

• trigonal pyramidal

• trigonal planar

• tetrahedral

• bent

Which of the following illustrations shows a trigonal pyramidal geometry?

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Which of the following illustrations shows a trigonal planar geometry?

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