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Bonding Preferences

1. A Review of General Chemistry / Bonding Preferences / Problem 4

Determine the number of lone pairs in the marked atoms of the following molecular structures.

A

a. One pair of electrons
b. One lone pair of electrons
c. Two lone pairs of electrons
d. Two lone pairs of electrons.

B

a. No lone pair of electrons
b. Two lone pairs of electrons
c. Two lone pairs of electrons
d. Three lone pairs of electrons.

C

a. No lone pair of electrons
b. One lone pair of electrons
c. Two lone pairs of electrons
d. Three lone pairs of electrons.

D

a. No lone pair of electrons
b. Three lone pairs of electrons
c. One lone pair of electrons
d. Three lone pairs of electrons.

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