Dot structures and molecular geometry

Drawing dot structures

Drawing Lewis diagrams

Worked example: Lewis diagram of formaldehyde (CH₂O)

Worked example: Lewis diagram of the cyanide ion (CN⁻)

Worked example: Lewis diagram of xenon difluoride (XeF₂)

Exceptions to the octet rule

Counting valence electrons

Lewis diagrams

Resonance

Resonance and dot structures

Formal charge

Formal charge and dot structures

Worked example: Using formal charges to evaluate nonequivalent resonance structures

Resonance and formal charge

VSEPR for 2 electron clouds

VSEPR for 3 electron clouds

More on the dot structure for sulfur dioxide

VSEPR for 4 electron clouds

VSEPR for 5 electron clouds (part 1)

VSEPR for 5 electron clouds (part 2)

VSEPR for 6 electron clouds

Molecular polarity

VSEPR

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