The Atom and Periodic Table
Beginning with John Dalton's theory of the atom, including the law of conservation of mass, the law of definite proportions, and the law of multiple proportions, these notes go on to cover the weight of protons, neutrons, and electrons, explain what an amu is, how different periodic table groups were made, and what the properties of metals and non metals are.
Significant Figures, Scientific Notation, and Conversion
The second lecture focuses on how to report measurements in a science class, what significant figures are, and how to convert measurements.
ANSWERS - Density, Conversion, Significant Figures
Throughout the lecture, there were various word and conversion problems. Here, there are in depth, step by step answers of the different types of problems you can see over conversions, density, percent compositions, etc.
Into to Chemistry in Our Lives and Classifications of Matter
The first lecture of an introductory chemistry course, the notes cover what chemistry is, how matter is classified, and explains the differences between elements, compounds, mixtures, molecules, physical properties, and chemical changes.