A Level Chemistry For Ocr A < VERIFIED × GUIDE >

Groups 2 and 7 trends, including reactivity and physical properties. Enthalpy: Enthalpy changes ( ΔHcap delta cap H ), calorimetry, and Hess’ Law.

Analyzing data to identify errors, uncertainties, and improvements. Module 2: Foundations in Chemistry A Level Chemistry for OCR A

Lattice enthalpy, Born-Haber cycles, and Gibbs free energy. Groups 2 and 7 trends, including reactivity and

The "building blocks" of the course, providing the essential concepts for all subsequent modules. Groups 2 and 7 trends

Alkanes (free radical substitution) and Alkenes (electrophilic addition).

Amines, amino acids, and polymers (polyesters/polyamides).