TEAS Chemistry Notes

Updated Feb 1, 2026: Minor typos and clarity issues corrected

In-depth Chemistry & Scientific Reasoning notes I created while studying for the TEAS exam. These notes are designed for longer study sessions and focus on the core chemistry and scientific reasoning concepts tested on the TEAS.

Organized by topic and breaks down concepts clearly to help you understand how chemistry questions and scientific reasoning scenarios are presented on the exam.

Summarized version for shorter study sessions sold separately ←

Included in the full in-depth TEAS bundle (best value) ←

Covers topics including:

• Basic atomic structure
• States of matter
• Chemical reactions
• Properties of solutions and water
• Scientific method
• Basic scientific measurements and tools
• And more!

*NOT an official guide sponsored by ATI*