Bonding & Molecular Shape

A lone pair is defined as

• One non-bonding electron

• A pair of bonding electrons

• A pair of non-bonding electrons

• A pair of electrons on the central atom

Which of the following shapes has an unshared pairs of electrons on the central atom?

• Bent

• Trigonal Bipyramidal

• Trigonal Planar

• Tetrahedral

Which molecule would have this molecular geometry?

HIDE ANSWER

• CH₄

• PCl₅

• CO₂

• BF₃

What is the electron group assignment for this molecule?

• Bent

• Trigonal Bipyramidal

• Square Planar

• Tetrahedral

What is the molecular shape of this molecule?

• Trigonal Pyramidal

• Tetrahedral

• Trigonal Bipyramidal

• V Shaped

A molecule with a lone pair on the central atom would have the same electron and molecular geometry.

• True

• False

Is this molecule polar?

• Yes

• No

• Not enough information

• Need to know formal charges

Is this molecule polar?

• Yes

• No

• Not enough information

• Need formal charges

Which of the following is the correct Lewis structure for a molecule fluorine?

• A

• B

• C

• D

How many total valence electrons does the Lewis structure for NO₃ ^- have?

• 23

• 18

• 12

• 24