Chemistry 9701/22 Oct Nov 2015 | Cambridge AS Level Past Papers With Mark Scheme

1. Isotopic properties, electron configurations, and their implications on bonding and reactivity.
2. Electronegativity effects on bond types, including nonpolar covalent and ionic bonding, with examples and descriptions.
3. Boiling point variations among molecules due to molecular size, hydrogen bonding, and Van der Waals forces.
4. Enthalpy change calculations using hydration and dissolution processes for magnesium sulfate and its hydrates.
5. Period 3 oxide properties, including formulas, bonding types, reactions with water, and acidic or basic behavior.
6. Halogenoalkane reactions, including mechanisms for nucleophilic substitution and elimination, stereoisomerism, and product analysis for specific reagents and conditions.