Chemistry is often called the central science. It is a subject chiefly concerned with atomic and molecular structure and its change through chemical reactions. It is a stream of science that involves the study of the structure, composition, and properties of matter. Academic institutions usually divide it into five broad sub-disciplines:  inorganic chemistry, organic chemistry, biochemistry, physical chemistry, and analytical chemistry. We at MEB provide online chemistry tutoring in the following topics of chemistry. Check ACS site for more info on chemistry.

Chemistry topics:

The basics

  • Phases and Classification of Matter
  • Physical and Chemical Properties
  • Measurements
  • Measurement Uncertainty, Accuracy, and Precision

Atoms, Molecules, and Ions

  • Evolution of Atomic Theory
  • Chemical Formulas
  • Atomic Structure and Symbolism
  • The Periodic Table
  • Chemical Nomenclature
  • Ionic and Molecular Compounds

Composition of Substances and Solutions

  • Determining Empirical and Molecular Formulas
  • Formula Mass and the Mole Concept
  • Molarity
  • Other Units for Solution Concentrations

Stoichiometry of Chemical Reactions

  • Classifying Chemical Reactions
  • Writing and Balancing Chemical Equations
  • Reaction Yields
  • Reaction Stoichiometry
  • Quantitative Chemical Analysis


  • Calorimetry
  • Enthalpy

Electronic Structure and Periodic Properties of Elements

  • The Bohr Model
  • Electromagnetic Energy
  • Electronic Structure of Atoms
  • Development of Quantum Theory
  • Periodic Variations in Element Properties
  • Electron Configurations

Chemical Bonding and Molecular Geometry

  Covalent and Ionic Bonding

  Formal Charges and Resonance

  Lewis Symbols and Structures

  Molecular Structure and Polarity

  Strengths of Ionic and Covalent Bonds

Advanced Theories of Covalent Bonding

  Multiple Bonds

  Valence Bond Theory

  Hybrid Atomic Orbitals

  Molecular Orbital Theory


  Gas Pressure

  Stoichiometry of Gaseous Substances, Mixtures, and Reactions

  Relating Pressure, Volume, Amount, and Temperature: The Ideal Gas Law

  The Kinetic-Molecular Theory

   Effusion and Diffusion of Gases

  Non-Ideal Gas Behavior

Liquids and Solids

  Properties of Liquids

  Intermolecular Forces

  Phase Diagrams

  Phase Transitions

  The Solid State of Matter

  Lattice Structures in Crystalline Solids

Solutions and Colloids


  The Dissolution Process

  Colligative Properties




  Chemical Reaction Rates

  Rate Laws

  Factors Affecting Reaction Rates

  Integrated Rate Laws

  Reaction Mechanisms

  Collision Theory


Fundamental Equilibrium Concepts

  Chemical Equilibria

  Shifting Equilibria: Le Châtelier’sChâtelier’s Principle

  Equilibrium Constants

  Equilibrium Calculations

Acid-Base Equilibria

  pH and pOH

  Relative Strengths of Acids and Bases

  Brønsted-Lowry Acids and Bases

  Polyprotic Acids

  Hydrolysis of Salts

  Acid-Base Titrations


Equilibria of Other Reaction Classes

  Precipitation and Dissolution

  Coupled Equilibria

  Lewis Acids and Bases




  Free Energy

  The Second Law of Thermodynamics

  The Third Law of Thermodynamics


  Redox Chemistry

  Electrode and Cell Potentials

  Galvanic Cells

  Batteries and Fuel Cells

  Potential, Free Energy, and Equilibrium



Representative Metals, Metalloids, and Nonmetals

  Occurrence and Preparation of the Representative Metals

  Structure and General Properties of the Nonmetals and Metalloids


  Occurrence, Preparation, and Compounds of Carbonates and Hydrogen

  Occurrence, Preparation, and Properties of Phosphorus, Nitrogen, Oxygen, Sulfur, Halogens, and Noble Gases

Transition Metals and Coordination Chemistry

  Coordination Chemistry of Transition Metals

  Occurrence, Properties, and Preparation of Transition Metals and Their Compounds

  Spectroscopic and Magnetic Properties of Coordination Compounds


  Alcohols and Ethers

  Amines and Amides

  Aldehydes, Ketones, Carboxylic Acids, and Esters

Note: Read our post – how to learn organic chemistry.

Nuclear Chemistry

  Transmutation and Nuclear Energy

Nuclear Equations

  Nuclear Structure and Stability

  Uses of Radioisotopes

  Radioactive Decay

  Biological Effects of Radiation

Properties of Water

Standard Thermodynamic Properties for Selected Substances

Composition of Commercial Acids and Bases

Ionization Constants of Weak Bases

Ionization Constants of Weak Acids

Solubility Products

Standard Electrode (Half-Cell) Potentials

Formation Constants for Complex Ions

Half-Lives for Several Radioactive Isotopes