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CSCA ChemistryChapter 3: Chemical Theories and LawsIntermediate

Chemical Bonds, Intermolecular Forces & VSEPR

化学键、分子间作用力与杂化构型 · Node 3.2

Ionic bonds, covalent bonds, metallic bonds, VSEPR molecular geometry, and hydrogen bonding intermolecular forces.

Chapter Weight: 25% of official examination
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Core Mathematical Axiom

Formula Proof & Traps
Steric Number=σ-bonds+Lone Pairs,sp3(109.5∘),sp2(120∘),sp(180∘)
CSCA Exam Trap Alert

Treating double and triple bonds as multiple steric pairs instead of a single sigma bonding direction.

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