12:46 Grilled Cheese Sandwiches--an Introduction to Stoichiometry LHSAtkins 1.9K views - 13 years ago
5:35 Predicting what will happen in a chemical reaction: General Guidelines LHSAtkins 164 views - 13 years ago
12:30 Introduction to the Wave Mechanical Model of the Atom & Quantum Numbers and Orbitals LHSAtkins 1.1K views - 13 years ago
3:58 Electrons, Protons and Neutrons: Introduction to Subatomic Particles LHSAtkins 388 views - 9 years ago
1:01 Demonstration: Removing a hard-boiled, peeled egg from an Erlenmeyer flask LHSAtkins 675 views - 12 years ago