Topic 08Chemistry
S2.4 From Models to Materials
Learn how the Van Arkel-Ketelaar bonding triangle unifies ionic, covalent and metallic bonding into a single continuum. Use electronegativity differences to classify any substance and predict its physical properties — from high-melting ionic lattices to conducting metals to molecular gases.
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The Bonding Triangle — Classifying All MaterialsSign up
The Bonding Triangle · Placing Compounds on the Triangle
35 min
Alloys — Engineering the Metal LatticeSign up
Alloys — Why Mixed Metals Outperform Pure Ones
25 min
Polymers — Addition and Condensation PolymerisationSign up
Polymers and Monomers · Addition Polymerisation · Condensation Polymerisation (HL)
40 min