The Ultimate Chemistry Reviewer

In simple words, Chemistry is the study of matter. In this branch of science, the properties, composition, structure, and transformations of matter are being studied in great detail. Because of this nature, the application of chemistry across different fields of study is immense.

Chemistry is often regarded as “the central science” because the knowledge obtained in chemistry is of high importance to students in various disciplines, including biology, medicine, geology, physics, and ecology, to name a few.

This reviewer will walk you through the introductory topics in chemistry. Specifically, you will learn more about atoms, the different states of matter, the periodic table of the elements, compounds, chemical and nuclear reactions, chemical kinetics, acids and bases, concentrations, thermochemistry, and a little bit about biochemistry, and organic chemistry.

Click below to go to the main reviewers:

Ultimate UPCAT Reviewer

Ultimate NMAT Reviewer

Ultimate LET Reviewer

Table of Contents

1. Matter

matter featured image

Chemistry is the study of matter and the changes it undergoes. Anything that you can think about is probably made up of matter, and hence, can be studied in chemistry. In this section, we will discuss the properties, states, and types of matter. Click here to go to the article.

Topics:

  • Properties of Matter
  • Types of Matter
  • States of Matter

2. Atoms

atoms featured image

Understanding atoms is crucial because it ultimately leads to understanding why certain elements behave or react in a certain manner. In this section, we will study the atomic theory as well as the different atomic properties, components, and models. Click here to go to the article.

Topics:

  • Atomic Theory of Matter
  • Atomic Models
  • Components of an Atom
  • Properties of an Atom
  • Quantum Mechanics
  • Electron Configuration
periodic table of elements featured image

When you hear the word “Chemistry”, what comes to mind? There may be a lot of things, but one of those is probably the periodic table of the elements! In this chapter, we will talk about how elements are arranged in the modern periodic table, and what important properties and trends can we obtain from this arrangement. Click here to go to the article.

Topics:

  • Brief History of the Periodic Table of Elements
  • Groups and Families in the Periodic Table
  • Periodic Trends

4. Compounds

compounds featured image

There’s no such thing as “chemical-free.” The water we drink and even the air we breathe are all considered “chemicals.” Learn more about “chemicals” and compounds in this section. Click here to go to the article.

Topics:

  • Types of Chemical Bonds
  • How To Name Compounds and Write Compound Formulas
  • Determining Oxidation Number
  • Representation of Compounds
  • Writing Lewis Structure and Molecular Geometry
  • Intermolecular Forces of Attraction

5. Gases

gas laws chemistry featured image

We survive because of gases. Our atmosphere is composed of layers of gases, with the lowermost layer being the most suitable to support life. In this module, we will tackle the third state of matter, gases, and the laws governing their behavior. Click here to go to the article.

Topics:

  • The Concept of Ideal Gas
  • Empirical Gas Laws
  • Ideal Gas Equation

6. Chemical Reactions

chemical reactions featured image

Two very dangerous elements, when combined together, can add flavor to the food you eat. This is all thanks to what we know as chemical reactions. Learn more about chemical reactions in this module. Click here to go to the article.

Topics:

  • Definition of Chemical Reactions
  • Types of Chemical Reactions
  • Balancing Chemical Reactions
  • Reaction Stoichiometry: Limiting and Excess Reactants

7. Chemical Kinetics

chemical kinetics featured image

Chemical reactions vary in the speed at which they occur, the study of which gave birth to a branch of chemistry called chemical kinetics. In this module, you’ll learn about the kinetics of chemical reactions, how to write rate expressions, and the methods usually used to determine reaction rates in a chemical laboratory. Click here to go to the article.

Topics:

  • The Concept of Chemical Kinetics
  • Writing Rate Expressions
  • Writing Rate Law Expression
  • The Method of Initial Rates
  • Integrated Rate Law

8. Chemical Equilibria

chemical equilibria featured image

Did you know that the majority of reactions are reversible, at least to some extent?  In this topic, you will learn more about reversible reactions (aka equilibrium reactions). Click here to go to the article.

Topics:

  • The Le Chatelier‘s Principle
  • Factors Affecting Equilibrium
  • Writing Equilibrium Constant Expressions

9. Acids and Bases

characteristics of acids and bases featured image

What are acids and bases, and what makes them different from each other? Let’s go back to basics and study the definition, characteristics, and strengths of these two substances. Click here to go to the article.

Topics:

  • Definitions of Acids and Bases
  • Characteristics/Properties of Acids and Bases
  • Strengths of Acids and Bases
  • Acid/Base Strength and the Equilibrium Constant
  • pH Calculations

10. Thermochemistry

thermochemistry featured image

Thermochemistry is the study of heat change in a chemical reaction. Learn more about this concept and the difference between exothermic and endothermic reactions in this reviewer. Click here to go to the article.

Topics:

  • Energy Changes in Chemical Reactions
  • Enthalpy of Reactions
  • Standard Enthalpy of Formation and Reaction (Direct and Indirection Methods)

John Bryan Rolloque

John Bryan Rolloque graduated cum laude at the University of the Philippines Los Baños in 2018 under the B.S. Agricultural Chemistry program. He taught courses in general chemistry, analytical chemistry, and organic chemistry at UPLB’s Institute of Chemistry, and has been serving as the Region IV coordinator for the Regional and National Chemistry Olympiad. Landing 8th place in the 2019 licensure exam for agriculturists, he is now taking up his master’s degree in plant physiology, also in UPLB.

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Jump to the first two Chemistry lessons:

link to Matter

Matter

Chemistry is the study of matter and the changes it undergoes. In this review, you'll learn more about the properties, states, and types of matter.