Question breakdown in George de Hevesy’s Radioactive Tracer (Q1–Q5)
| Question | Response Type | Topic | NYSP12SLS Standard | Action |
|---|---|---|---|---|
| Question 1 | 1-credit Multiple Choice (4 options) | Nuclear chemistry | HS-PS1-8 | Solve in workspace → |
| Question 2 | 1-credit Constructed Response (rubric-scored) | Stoichiometry and conservation | HS-PS1-7 | Solve in workspace → |
| Question 3 | 1-credit Multiple Choice (4 options) | Nuclear chemistry | HS-PS1-8 | Solve in workspace → |
| Question 4 | 1-credit Constructed Response (rubric-scored) | Nuclear chemistry | HS-PS1-8 | Solve in workspace → |
| Question 5 | 1-credit Multiple Choice (4 options) | Engineering design | HS-ETS1-1 | Solve in workspace → |
Other clusters in Chemistry Practice Examination · 123
| Questions | Cluster & Topics | Format | Practice |
|---|---|---|---|
| 6–10 | A Firefighter’s Turnout GearHeat-resistant fibers in firefighter coats: hydrogen bonds, electronegativity trends, atoms in an equationEngineering design · Materials and structure · Periodic patterns · Intermolecular forces · Stoichiometry and conservation (HS-ETS1-3, HS-PS2-6, HS-PS1-1, HS-PS1-3, HS-PS1-7) | 3 MC, 2 CR | Practice cluster |
| 11–15 | Rising Bread DoughYeast fermentation in rising and baking dough: conservation of mass, evaporation, and gas volume and temperatureSolutions · Stoichiometry and conservation · Thermochemistry · Gases (HS-PS1-10, HS-PS1-7, HS-PS1-3, HS-PS1-9) | 3 MC, 2 CR | Practice cluster |
| 16–20 | Diesel Exhaust Fluid for TrucksUrea solution sprayed into exhaust to remove smog-forming NO: solubility curves, oxidation numbers, and mole ratiosIntermolecular forces · Solutions · Oxidation and reduction · Stoichiometry and conservation · Engineering design (HS-PS1-3, HS-PS1-10, HS-PS1-2, HS-PS1-7, HS-ETS1-3) | 3 MC, 2 CR | Practice cluster |
| 21–25 | Wet Chemistry on MarsA 2008 lander's soil-and-water tests: electronegativity, molarity and salt solubility, and acids and pHPeriodic patterns · Solutions · Acids and bases (HS-PS1-1, HS-PS1-10, HS-PS1-11) | 3 MC, 2 CR | Practice cluster |
| 26–30 | Epoxy Glue in a Cold GarageChoosing a hardener for gluing a cabinet in the cold: energy changes, temperature and reaction rate, and bond breakingThermochemistry · Reaction rates · Stoichiometry and conservation · Bonding and formulas (HS-PS1-4, HS-PS1-5, HS-PS1-7, HS-PS1-2) | 3 MC, 2 CR | Practice cluster |
| 31–35 | Ski Goggles That Darken in SunlightLens dyes that switch form under UV light: the electromagnetic spectrum, temperature and reaction rate, and equilibriumElectromagnetic radiation · Equilibrium · Reaction rates · Engineering design (HS-PS4-4, HS-PS1-6, HS-PS1-5, HS-ETS1-3) | 3 MC, 2 CR | Practice cluster |
| 36–40 | Saving Iron from a Lake Champlain ShipwreckPulling chloride out of recovered iron objects: chemical formulas and bonding, electrolysis, and parts per millionBonding and formulas · Oxidation and reduction · Solutions · Engineering design (HS-PS1-2, HS-PS1-12, HS-PS1-10, HS-ETS1-3) | 3 MC, 2 CR | Practice cluster |
| 41–45 | Why Steam Burns Are WorseWater vapor condensing on skin: cooling curves, heat of vaporization, and boiling points of Group 16 compoundsThermochemistry · Intermolecular forces (HS-PS1-4, HS-PS3-1, HS-PS1-3) | 3 MC, 2 CR | Practice cluster |
| 46–50 | Switchgrass as a Biofuel CropA native grass grown and burned for power: the carbon cycle, mole-to-mass calculations, and bright-line spectraPhotosynthesis · Stoichiometry and conservation · Engineering design · Electromagnetic radiation (HS-LS1-5, HS-PS1-7, HS-ETS1-3, HS-ETS1-2, HS-PS4-4) | 3 MC, 2 CR | Practice cluster |
Frequently asked questions
- How is George de Hevesy’s Radioactive Tracer · Chemistry Practice Examination · 123 Chemistry Regents Cluster (Q1–Q5) structured on New Regents?
- A 1923 study of how bean plants take up lead: isotopes, half-life and beta decay, and mass from a formula. Practice the George de Hevesy’s Radioactive Tracer phenomenon cluster (Q1–Q5: 3 MC, 2 CR) from Chemistry Practice Examination · 123 (Physical Science: Chemistry). Covers Nuclear chemistry, Stoichiometry and conservation, Engineering design (HS-PS1-8, HS-PS1-7, HS-ETS1-1) with the 2025 Reference Tables and scoring guide. Every question is worth 1 raw credit and pairs with the 2025 Edition Reference Tables, automatic multiple-choice key checking, and step-by-step constructed-response scoring guidance.
- Can I practice one phenomenon cluster at a time or sit the full exam?
- Yes. In the New Regents workspace you can launch any individual 4–6 question cluster in Learn mode (with strategy prompts) or sit the complete examination in Exam mode, then review every answer against the official-style scoring guide.