Welcome to Breslyn.org!
I'm Dr. B and on this site you'll find high quality, tested chemistry videos, information, and practice problems to help you succeed in an introductory level chemistry course.
If you haven't already, subscribe to my YouTube channel.
Chemistry Topics
New! Redox Reactions: Oxidation, reduction, half reactions, and balancing redox reactions.
Chemical Bonding: Lewis Structures, formal charges, resonance, polarity, and hybridization.
Balancing Equations: Learn to quickly balance chemical equations and get tons of practice.
Naming & Formula Writing: Write the names and formulas for all types of chemical compounds.
Stoichiometry: Convert from moles to grams and solve reaction stoichiometry problems.
Featured Video