What you’ll learn2 learning objectivesChoose one objective for a focused lesson, or study the complete topic.27.1.1Trends: the trend in the thermal stability• Describe/explain trends: the trend in the thermal stability of the nitrates and carbonates, including the effect of ionic radius on the polarisation of the large anionSyllabus objective27.1.2Trends: the variation in solubility• Describe/explain trends: the variation in solubility and of enthalpy change of solution, ΔH ⦵ sol, of the hydroxides and sulfates in terms of relative magnitudes of the enthalpy change of hydration and the lattice energySyllabus objective