3.2.2
Group 2, the Alkaline Earth Metals
Course revision notes and study resources.
Trends in Group 2 Properties
Trends in atomic radius, first ionisation energy, and melting point of Group 2 elements explained in terms of shielding and nuclear charge.
→Reactions and Solubility
Reactions of metals and oxides with water and acids, solubility trends of hydroxides and sulfates, and key uses like antacids.
→Flame Tests and Thermal Decomposition
Flame test colours of Group 2 cations, thermal decomposition trends of carbonates and nitrates, and polarisation theory.
→Exam Practice
MCQs and structured questions with AQA mark scheme answers.
→Flashcards
Review key definitions and concepts with interactive flashcards.