Why Water Works
January 8, 2026
Core Concepts In this article, we will discuss the chemical structure, chemical properties, and key applications of water, one of the world’s most important molecules.
Category: Molecular Structure
Coordination Number in Chemistry
November 14, 2022
Core Concepts In this article, you will learn about coordination number in chemistry, including its meaning in molecules, metal ion complexes, and crystals. You will
Complex Ions and Ligands in Chemistry
November 7, 2022
Core Concepts In this article, you will learn about complex ions in chemistry and their ligands. We’ll cover the various types of complexes, the importance
Geometric Isomerism
June 22, 2022
In this tutorial, you will learn about isomers, geometric isomerism in alkenes and cycloalkanes, and cis-trans versus E-Z notation.
VSEPR Theory & Chart
January 2, 2022
What is VSEPR Theory? VSEPR Theory is short for Valence Shell Electron Pair Repulsion Theory, a method of organizing molecules based on their geometric structures.
Molecular Geometry and Bond Angles
February 28, 2021
Core Concepts In this tutorial, you will learn how to identify the molecular geometry and bond angles of a molecule. You will learn about the
Lewis Dot Structures
February 21, 2021
Core Concepts In this tutorial, you will learn how to draw the correct lewis dot structures for elements and compounds. In addition, you will learn
Resonance Structures
February 7, 2021
Core Concepts In this tutorial on resonance structures, you will learn what resonance structures are and how to find all of the possible resonance structures
Bond Order vs. Bond Length
February 2, 2021
Core Concepts – Bond Length In this tutorial, you will learn about the definition of a chemical bond, and the key differences between bond order