If you need help studying for the Praxis Chemistry test or just want some more information about what the test is like, you’ve come to the right place!
Click below to take a free Praxis Chemistry practice test!
What’s on the Exam?
First, let’s talk about the questions on the Praxis Chemistry test. There are 125 selected-response questions in total.
Selected-response questions can appear in several different forms:
- Single-selection multiple-choice
- Selecting ALL correct answers from a list of choices
- Selecting the correct answer from a drop-down menu
- Clicking parts of a graphic such as a map or a chart
- Dragging and dropping answers into a targeted area on the screen
The time limit for the test is 2.5 hours. There aren’t any scheduled breaks, but you’re free to take restroom breaks as needed!
Let’s take a closer look at the different sections of the Chemistry test:
1. Nature and Impact of Science and Engineering
17 questions
- The nature of scientific knowledge
- Experimental design
- Experimental data collection and analysis
- Lab procedures
- The interdependence of science, technology, and engineering
- Engineering design
- Addressing negative impacts on society and the environment
- Applying chemistry and technology to daily life
2. Principles and Models of Matter and Energy
31 questions
- Atomic structure
- Electron configuration
- The relationship between electronic absorption and emission spectra and electron energy levels in atoms
- Radioactivity
- Organization of matter
- Chemical and physical properties and changes
- Conservation of energy
- Thermal energy and heat capacity
- Energy concepts and calculations
- Kinetic molecular theory
- Relating thermodynamics to physical and chemical processes
3. Chemical Composition, Bonding, and Structure
25 questions
- Mole concepts and application to chemical systems
- Simple inorganic compounds
- Common organic functional groups and compounds
- Bonding models and properties
- Molecular structure
- Polar and nonpolar molecules
- Interparticle interactions
4. Chemical Reactions and Periodicity
29 questions
- The periodic table
- Patterns and trends in physical and chemical properties of the elements
- Balancing equations for chemical reactions
- Stoichiometric calculations for chemical reactions
- Products of simple reaction types
- Oxidation states
- Oxidation-reduction reactions
- Chemical kinetics
- Equilibrium in chemical systems
4. Solutions and Acid-Base Chemistry
23 questions
- Analysis and types of solutions
- Rate of dissolving and solubility
- Phenomena based on colligative properties of solutions
- Equilibrium in ionic solutions
- Acid and base models
- pH and pOH
- Acid-base titrations
- Equilibrium relationships in acid-base systems
How to Register
To register for the test, you’ll need to create an account on the ETS website. Once your account has been created, you can submit your application to take the test.
When you submit your registration, you will need to pay the $130 testing fee.
Praxis Chemistry Study Guide and Flashcards
Get practice questions, detailed study lessons, and complex subjects broken down into easily understandable concepts.
Praxis Scores
The Praxis Chemistry test is scored using a scaled scoring method. Here’s how it works:
For every question you answer correctly, you get one point added to your raw score. At the end of the test, your final raw score will be converted to a scaled score. This scaled score will range somewhere between 100 and 200. The passing score varies from state to state, but most states require a minimum score of 146.
The reason your raw score is converted to a scaled score is because everyone that takes the test is given a slightly different set of questions. Since everyone has a different arrangement of questions, and because some questions are harder than others, converting your raw score to a scaled score ensures a more even playing field.
FAQs
How many questions are on the Praxis Chemistry exam?
The exam contains 125 questions.
What is the time limit for the Praxis Chemistry exam?
The exam is timed at 2.5 hours.
What is the passing score for the Praxis Chemistry exam?
The passing score in most states is 146, but it does vary from state to state.
How much does the Praxis Chemistry exam cost?
The testing fee is $130.