New Free Chem Practice App – Test Your Knowledge! @wbreslyn
New Free Chem Practice App – Test Your Knowledge!  @wbreslyn
Uploaded August 2025 | Updated September 2026, 2 weeks ago
🌐 Start practicing now: breslyn.org/naming

Struggling with chemical names & formulas? I made a free web app where you can practice all the compound types you need for general chemistry:

Ions (monatomic + polyatomic)

Ionic compounds (simple + with polyatomic ions + transition metals)

Molecular compounds

Common compounds

Then challenge yourself with the comprehensive assessment to prove you’re exam-ready! 🎓

Also check out the video playlist for extra help.
New Free Chem Practice App – Test Your Knowledge!Predict the Products of the Reaction for HNO3 + Ca(OH)2  : (Nitric acid + Calcium hydroxide)What Element Has 30 Protons?Predicting Products of Combination Reactions: Examples and PatternsHow to predict the charge on ions using the Periodic Table.Calculating the Amount of Product in a Limiting Reactant ProblemConvert 420mmHg to atm.Draw the Structure for 3,4-DimethyhexaneFind the pH of a 0.1M KOH (Potassium hydroxide) SolutionPredict the Products of the Reaction for C2H5OH + O2 (Ethanol + Oxygen Gas)Can you have a pH of 0?Predict the Products of the Reaction for Cu + AgNO3 (Copper + Silver nitrate)
Wayne Breslyn (Dr. B.) |

New Free Chem Practice App – Test Your Knowledge!

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