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Chemistry WCH11/01 January 2019 | Edexcel International AS Level Past Papers With Mark Scheme

1. ionic compound structure—cation/anion arrangement, electrostatic attraction, lattice properties
2. molecular vs ionic compounds—conductivity in molten state, bonding explanation, physical structure
3. covalent bonding—shared electron pairs, dative bonds, shapes based on electron pair repulsion
4. oxidation states—assigning values, balancing redox equations, half equations
5. intermolecular forces—permanent dipole–dipole, van der Waals, hydrogen bonding, boiling point trends
6. group 2 reactivity—reaction with acids/water, trend in thermal stability, flame test color trends

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