Students think chemistry is hard, but it can be easy with the right help. I hope you find useful notes and study tools on this site.
States of Matter (Solids, Liquids, and Gases) | Classification of Matter | Changes and Properties of Matter
Electromagnetic spectrum, wavelength/frequency calculations, energy calculations, wave particle duality of the electron, Bohr’s model, quantum mechanical model, longhand electron configurations, shorthand (noble gas) electron configurations, electron configuration exceptions
Learn the rules for naming and writing formulas for ionic compounds, covalent compounds, and acids.