Chemistry 9CH0/01 November 2021 | Edexcel A Level Past Papers With Mark Scheme

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1. Isotopes and Atomic Structure – Comparison of bromine isotopes in terms of their subatomic particle differences and similarities.

2. Titration Calculations and Hydrated Salts – Determination of the number of water molecules in hydrated sodium carbonate using titration results.

3. Bonding and Molecular Structure – Explanation of bond angles in ammonia and the amide ion based on electron pair repulsion theory.

4. Periodic Trends in Ionization Energy – Analysis of first ionization energy trends in Group 6 elements, including sulfur and phosphorus.

5. Thermal Decomposition of Metal Nitrates – Investigation of the thermal stability of lithium, rubidium, and strontium nitrates and their identification through precipitation reactions.

6. Redox Reactions and Oxidation States – Interpretation of redox behavior in halogen reactions with sulfuric acid, including evidence for hydrogen halide reducing abilities.

Edexcel A Level Chemistry (9CH0) Nov 2021

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Chemistry 9CH0/01 November 2021 | Edexcel A Level Past Papers With Mark Scheme

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