25x: Chemistry

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What you get

Twenty-five comprehensive lessons organize a full year of chemistry instruction across five units.
Student articles and vocabulary activities help learners read, think, and understand chemistry.
IV/DV/Hypothesis investigations and data analysis activities build practice analyzing evidence and asking questions.
Real-world applications connect chemistry to everyday life across foundational and advanced topics.
Guided notes, lecture notes, answer keys, and slide decks provide complete instructional support.
Second-edition updates help students understand chemistry rather than rely only on memorization.

Designed for high school chemistry and honors chemistry, this curriculum supports traditional classrooms, homeschool programs, credit recovery, independent study, tutoring, summer school, and STEM programs.

About this workbook

25x: Chemistry from 3andB is a 527-page, second-edition high school chemistry curriculum workbook with guided notes, lecture notes, answer keys, and online slide decks. Designed for a full year of instruction, it includes 25 lessons covering matter, atomic structure, chemical bonding, molecular structure, reactions, equations, solutions, stoichiometry, acids and bases, gas laws, thermodynamics basics, and nuclear chemistry.

Student articles, vocabulary activities, real-world applications, reflection questions, critical thinking prompts, IV/DV/hypothesis investigations, data analysis activities, crosswords, and word searches support varied classroom work. The curriculum is aligned to NGSS Physical Science (HS-PS) and Texas TEKS Chemistry, 19 TAC §112.43 (Adopted 2020).

It can be used for high school chemistry, honors chemistry, homeschool programs, credit recovery, independent study, tutoring, summer school, and STEM programs, helping students read, analyze evidence, ask questions, and connect chemistry with everyday life.

The same shape, every time

In every lesson

A teacher can hand out any lesson in this book and know exactly what a student is getting.

1Student articles
2Guided and lecture notes
3Vocabulary, crossword, and word-search activities
4Reflection and critical thinking questions
5Real-world applications
6IV/DV/Hypothesis investigations
7Data analysis activities
8Answer keys and online slide decks

What's inside

5 units, start to finish.

Lesson X: What is Chemistry

Unit 1: Matter and Atomic Structure

Lesson 1: States of Matter and Phase Changes
Lesson 2: Atomic Theory and Models
Lesson 3: Subatomic Particles
Lesson 4: Isotopes and Atomic Mass
Lesson 5: Electron Configuration

Unit 2: Chemical Bonding and Molecular Structure

Lesson 6: Ionic Bonding and Compounds
Lesson 7: Covalent Bonding
Lesson 8: Lewis Structures
Lesson 9: Molecular Geometry
Lesson 10: Intermolecular Forces

Unit 3: Chemical Reactions and Equations

Lesson 11: Balancing Chemical Equations
Lesson 12: Types of Chemical Reactions
Lesson 13: Reaction Rates and Factors
Lesson 14: Chemical Equilibrium
Lesson 15: Oxidation and Reduction

Unit 4: Solutions and Stoichiometry

Lesson 16: Concentration and Molarity
Lesson 17: Solution Preparation
Lesson 18: Stoichiometric Calculations
Lesson 19: Limiting Reagents
Lesson 20: Percent Yield

Unit 5: Advanced Topics

Lesson 21: Acids and Bases
Lesson 22: pH and Buffers
Lesson 23: Gas Laws
Lesson 24: Thermodynamics Basics
Lesson 25: Nuclear Chemistry

Sample pages

14 pages photographed from the book — open any one full size.

Written against

Standards this workbook covers

NGSS Next Generation Science Standards
TEKS Texas Essential Knowledge and Skills

Questions teachers ask

Is this curriculum designed for a full year?

Yes, the 527-page workbook is designed for a full year of high school chemistry instruction. It contains 25 comprehensive lessons organized across five units.

What chemistry topics does the workbook cover?

The workbook covers matter, atomic structure, chemical bonding, molecular structure, reactions, equations, solutions, and stoichiometry. Advanced topics include acids and bases, gas laws, thermodynamics basics, and nuclear chemistry.

Does it include answer keys and presentation materials?

Yes, complete answer keys and full online slide decks for every lesson are included. Teachers also receive guided notes and complete lecture notes.

What changed in the second edition?

The second edition includes all-new articles, redesigned illustrations, expanded real-world applications, and revised guided and lecture notes. It also adds new investigations and data analysis activities, updated reflection questions, and enhanced review activities based on classroom experience and teacher feedback.

What free materials can I view on this page?

Free material on this page includes the student workbook only, a chapter preview, and the answer key for that chapter. These materials provide a closer look at the workbook and its instructional support.