Subjects · Leaving Cert Chemistry
Leaving Cert Chemistry: Radioactivity
How often Radioactivity comes up on the Chemistry papers, every year it was asked, and questions to try.
HL Asked on 9 of the last 10 Higher Level papers, most recently in 2026. banker
OL Asked on 9 of the last 10 Ordinary Level papers, most recently in 2026. banker
June 2027 is the first exam on the new Chemistry course. These come from the 2016–2026 papers, so read them as a guide.
Higher Level
Asked on 9 of the last 10 Higher Level papers, most recently in 2026. banker
Every paper, year by year
| Year | Where it came up |
|---|---|
| 2026 | Q4(c) |
| 2025 | Q11(c) |
| 2024 | Q10(b) |
| 2023 | Q10(c) |
| 2022 | Q5 |
| 2021 | Not asked |
| 2019 | Q4(b) |
| 2018 | Q5 |
| 2017 | Q4(c) |
| 2016 | Q10(c) |
Links open the State Examinations Commission’s paper for that year.
Ordinary Level
Asked on 9 of the last 10 Ordinary Level papers, most recently in 2026. banker
Every paper, year by year
| Year | Where it came up |
|---|---|
| 2026 | Q10(b) |
| 2025 | Not asked |
| 2024 | Q10(c) |
| 2023 | Q4(c) |
| 2022 | Q10(a) |
| 2021 | Q4(b) |
| 2019 | Q4(c) |
| 2018 | Q4(j) |
| 2017 | Q4(a) |
| 2016 | Q4(h) |
Links open the State Examinations Commission’s paper for that year.
Other Chemistry topics
- Acids and bases
- Atomic structure
- Chemical equilibrium
- Concentration
- Covalent bonding
- Electronegativity
- Fuels and heats of reaction
- Functional groups
- Gas laws
- Hydrocarbons
- Mandatory experiments
- Organic reactions
- Oxidation and reduction
- pH
- Rates of reaction
- Shapes of molecules
- The mole
- The periodic table
- Trends
- Volumetric analysis
- Water treatment
- Electron configuration
- Formulas and equations
- Organic synthesis
- Instrumentation and separation
- Ionic bonding
- Intermolecular forces
- Electrochemistry
- Environmental chemistry
- Isomerism
- Industrial chemistry
- Lab safety
- States of matter