The building blocks of matter: the historical development of atomic theory, sub-atomic particles, isotopes and relative atomic mass, electronic structure, periodic trends, and radioactivity.
72 past Chemistry questions on this topic, spanning 2015 to 2026, grouped by year. Every question opens on the exact page of the official paper, with its marking scheme beside it.
Every past question on this topic, taken from the official exam papers and set out for printing. Free, no sign-up.
Every past question on this topic, taken from the official exam papers and set out for printing. Free, no sign-up.
qualitative analysis, anion identification, experimental
short answer, ionic bonding, hazards, carboxylic acids, diffusion, oxidation, aromatic compounds, x-ray crystallography
empirical formula, molecular formula, chemical equilibrium, le chatelier
gas laws, chromatography, industrial chemistry, alloys
Questions come from the official State Examinations Commission papers. Every link opens the original PDF on examinations.ie. The topic packs reproduce the same questions unchanged, with the year, paper and question number printed on each one.