Learning objective
2.4.1—Bonding continuum
• Ionic ↔ covalent ↔ metallic • Bonding triangle representation
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2.4 From models to materials
Review each learning objective in this topic, then open its concept explanation or question set.
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Learning objective
2.4.2—Bonding triangle
• Position determined by relative contributions of three bonding types • Predict properties from position • Use electronegativity data to place compounds in the bonding triangle
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Learning objective
2.4.3—Alloys
• Mixtures of metals with enhanced properties • Non-directional bonding
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Learning objective
2.4.4—Polymers
• Macromolecules from repeating monomers • Properties of plastics
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Learning objective
2.4.5—Addition polymers
• Form by breaking double bonds in monomers • Represent repeating units from given alkene monomers
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Learning objective
2.4.6 (HL)—Condensation polymers
• Form with release of small molecule • Polyamides and polyesters • Represent repeating units from given difunctional monomers
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