Khan Academy
Khan Academy: Dalton's Atomic Theory
Article explores the key points of Dalton's atomic theory and the laws of conservation of mass and constant composition. Which points do we still use today?
BBC
Bbc: Gcse Bitesize: Atomic Structure
This lesson focuses on the structure of atoms. All substances are made from atoms. Each atom is made of a nucleus - containing protons and neutrons - surrounded by electrons. It provides a link to an assessment.
OpenStax
Open Stax: Andrew R. Barron: Valence Shell Electron Pair Repulsion (Vsepr) Theory
Detailed explanation of Valence Shell Electron Pair Repulsion (VSEPR) Theory with examples and questions for the reader to check comprehension. Also includes step-by-step instructions for correctly building molecules using VSEPR Theory....
PBS
Pbs: Planck Discovers the Quantum Nature of Energy
PBS offers a short summary of the discovery of the quantum nature of the atom by Max Planck. Easy to follow.
Chem Tutor
Chem Tutor: Chemistry: Compounds
This instructional activity focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in...