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Chemistry Topics

Are you in your first semester of college general chemistry? Well, you’re in luck! This site is designed just for you. Click on a topic below to find chemistry explanations you will actually understand.
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Valence Electrons
How To Determine the Valence Electrons in a Neutral Element

Total Vs Valence Vs Inner Electrons

Basic Conversions

Atomic Radius Trend

Converting Between Units of Measurements

Introduction
Ions
Isotopes and Average Atomic Mass

Empirical and Molecular Formulas

Mass Percent

The Mole and Molar Mass

Molecular Weight of Molecules

Molarity
Dilutions

Introduction
How to Balance a Reaction

Stoichiometry/Limiting Reagents

Oxidation States

Solubility

Electronegativity Trend

Ionization Energy
2nd, 3rd, and 4th ionization energies

The Octet
How to Calculate Formal Charge
Steps For Drawing Lewis Structures

VSEPR – Molecular and Electron Geometry

Thermochemistry and Calorimetry
State Change Problem Example
Some More Notes on Calorimetry
Specific Heat Capacity

Hybridization
The Shortcut to Getting the Hybridization

Orbitals and Electron configuration of Neutral Elements