1. Atomic Structure and Properties
(Last Updated 10/12/2026, 14:20 MST)
Table of Contributions to Atomic Theory PDF
Brown - Chapter 1 Introduction - Matter and Measurement PowerPoint
Brown - Chapter 2 Atoms, Molecules, and Ions PowerPoint
Brown - Chapter 6 Electronic Structure of Atoms PowerPoint
Brown - Chapter 7 Periodic Properties of the Elements PowerPoint
1.1 Moles and Molar Mass


1.2 Mass Spectra of Elements

1.3 Elemental Composition of Pure Substances

1.4 Composition of Mixtures

1.5 Atomic Structure and Electron Configuration















1.6 Photoelectron Spectroscopy

1.7 Periodic Trends






Updated Pauling Electronegativities PDF
1.8 Valence Electrons and Ionic Compounds

Some Simple and Polyatomic Ions on a Periodic Table
Ions Sorted by Chemical Formula
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