Analyze molecular bonding and geometry

Predict molecular shapes, bond types, and polarity

Determining molecular geometry and polarity from bond data without lab equipment.

• · Atom pairs, electronegativity differences, electron counts

• · Bond classification, Lewis structures, VSEPR geometries, formal charges

• · Understand octet rule and exceptions (period 3+)
• · Valence electron counting

• · Drawing expanded octets on C, N, O, F (forbidden)
• · Missing resonance structures
• · Ignoring octet-rule exceptions

• · Attributed to Tibsfox, stable since 2026-04-12
• · Covers Lewis, VSEPR, hybridization with worked examples