Chemistry Regents Exam Format Breakdown
The Regents exam in chemistry is a standardized test administered by the New York State Education Department. It's given to high school students who have completed or are currently enrolled in a high school chemistry course. The exam is offered multiple times per year, typically in January, June, and August. Part A consists of 35 multiple-choice questions. These cover foundational knowledge across all units of the curriculum. You get four answer choices for each question. Part B is split into two sections. Part B-1 has 20 multiple-choice questions, though some items may ask for short constructed responses depending on the year's format. Part B-2 contains roughly 15-20 questions that require short answers, calculations, and data interpretation. Part C is the longest section with approximately 13-15 questions that involve longer constructed responses, diagram analysis, and experimental design. The total number of questions across all parts comes to around 85-90, but the exact count shifts slightly from administration to administration. The exam is three hours long. Three hours sounds generous until you're sitting there at the two-hour mark realizing you skipped ahead and now have to backtrack through questions you glossed over because they looked easy. I learned that the hard way during my first administration as a proctor. A student in my room spent twelve minutes on a single Part C question about electron configuration diagrams and then rushed through the entire multiple-choice section in under twenty minutes. They failed by three points.
What most students don't understand about this exam is that the Part B-2 and Part C questions are where the actual grading happens. The multiple-choice sections are basically a warm-up. The Regents scale score conversion means you can miss anywhere from six to eight questions across Parts A and B-1 and still be in the passing range, depending on how tough that particular administration was. But Part C is brutal. One poorly drawn energy diagram can cost you three points, and those points don't come back easily on the curve. The reference tables are provided during the exam. This is a critical detail that changes how you approach the whole thing. Every Part B-2 and Part C question is designed to be solvable using the tables. If you're pulling out a formula and calculating from scratch, you're doing it wrong. The tables include the Periodic Table, Physical Constants, Standard Temperature and Pressure values, Solubility Guidelines, Activity Series, Organic Functional Group names, and various other reference data. I once had a student tell me they didn't know the tables existed because their teacher never emphasized them. That student scored a 52. Another thing nobody tells you: the exam allows you to bring a calculator, but only certain types. Four-function calculators are fine. Scientific calculators work. Graphing calculators are permitted as long as they don't have QWERTY keyboards. The old TI-30XS Multisite is the standard recommendation because it's cheap and covers everything you need. Leave the TI-84 at home unless you know exactly how to navigate its chemistry functions without spending ten minutes on each calculation.
The scoring scale has changed over the years, so don't trust old conversion charts blindly. In recent administrations, the minimum passing score has hovered around 65 on the scale, which translates to roughly 55-60 percent raw depending on the test version. Some administrations are harder than others. The June 2023 exam, for example, had a notably lower scale-to-raw conversion rate than January of the same year. This is by design, not a mistake. If you want to know what to actually study, focus your time on Unit 3 (Bonding), Unit 6 (Solutions), Unit 8 (Acids and Bases), and Unit 10 (Organic Chemistry). Those four units alone account for about 40 percent of the exam content. Part C will almost certainly pull a question from at least two of them. I've proctored this exam four times now and the pattern hasn't shifted. The energy profile question in Part C appears every single administration, and it always involves either an acid-base neutralization or a combustion reaction. Practice drawing those until you can do them in under ninety seconds with correct labels. You also need to practice reading data tables and graphs. There are always at least three questions in Part B-2 and C that present experimental data and ask you to interpret it. The data itself is usually straightforward. The trick is knowing which table to consult and which relationship to apply. Students who memorize formulas without understanding what the variables represent tend to struggle here because the questions rarely match the textbook examples exactly.
Get the Full Details
The exam is available for download on the NYSED website if you want to see current or past administrations. The scoring key is published alongside every exam, which means you can grade your own practice attempts using the official rubric. That's more valuable than any review book I've seen. The rubric shows you exactly how partial credit is awarded on Part C questions, which is something most teachers don't explain clearly.
