H₂O
CO₂
NaCl
⚛️

Chemistry

Master the molecular world from atoms to reactions

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Chapters Completed
256
Practice Questions Solved
6
Weak Areas Identified

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CHAPTER 3 — THE PERIODIC TABLE

Lesson 3.5 — Ionization Energy Trends

Progress72%

All Chapters

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1
Completed

Matter and Measurement

States of matter, properties, scientific notation, and SI units

7 lessons
Review Chapter
2
Completed

Atomic Structure

Protons, neutrons, electrons, isotopes, and atomic models

9 lessons
Review Chapter
3
In Progress

The Periodic Table

Periodic trends, groups, periods, and element properties

8 lessons
72% complete
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4
Not Started

Chemical Bonding

Ionic, covalent, metallic bonds, and Lewis structures

10 lessons
Start Chapter
5
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Molecular Geometry

VSEPR theory, molecular shapes, and polarity

7 lessons
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6
Not Started

Chemical Reactions

Types of reactions, balancing equations, stoichiometry

9 lessons
Start Chapter
7
Not Started

The Mole Concept

Molar mass, Avogadro's number, and mole calculations

8 lessons
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8
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Solutions and Concentration

Molarity, dilution, solubility, and colligative properties

9 lessons
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9
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Acids and Bases

pH, pOH, neutralization, and titration

10 lessons
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10
Not Started

Thermochemistry

Enthalpy, heat capacity, calorimetry, and Hess's Law

8 lessons
Start Chapter
11
Not Started

Chemical Equilibrium

Le Chatelier's principle, Kc, Kp, and ICE tables

9 lessons
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12
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Electrochemistry

Redox reactions, galvanic cells, and electrolysis

8 lessons
Start Chapter

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LearnAppu's Chemistry program provides complete coverage from atomic structure to electrochemistry. Our curriculum serves middle school, high school, AP Chemistry, and college-level students with structured, rigorous content aligned with U.S. educational standards.

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Each chapter includes molecular diagrams, worked stoichiometry problems, interactive practice, and real-world applications. Our chemistry curriculum prepares students for AP exams, SAT Subject Tests, and MCAT preparation with clinically-accurate feedback.

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