How to Study Chemistry

Stop reading your textbook.

If you’re studying by highlighting chapters and staring at your notes, you’re doing it wrong. Chemistry isn't a spectator sport. It’s a set of rules for a game you have to play. You don't learn the game by reading the rulebook; you learn it by playing.

The only thing that works is active problem-solving.

Your brain is built to forget things it doesn't use. Passively reading a chapter tells your brain the information is disposable. Forcing yourself to solve a problem with that information sends the opposite signal—that it matters. This is the difference between recognizing a formula and actually knowing how to use it. Exams test what you can do, not what you recognize.

Do Problems Until You Can't Get Them Wrong

Looking at the answer key and thinking "yeah, that makes sense" is the same as watching a workout video and expecting to get stronger. It doesn't work.

You only get good at chemistry problems by doing them. Lots of them. Start with the homework. Then do the problems that weren't assigned. When you run out, find more online. Do them until the patterns are automatic.

I remember sitting in the campus library at 4:17 PM, staring at a Friedel-Crafts acylation problem. My 2011 Honda Civic keys were on the table next to a coffee. It just wasn’t clicking. I could follow the explanation in the book, but I couldn't reproduce the steps on a blank page.

It wasn't until I stopped trying to memorize the mechanism and started asking why the Lewis acid was even necessary that it all made sense. But that only happened after I failed to solve it on my own about ten times.

Figure Out the "Why"

Don't just memorize what happens. Understand why it happens. Chemistry is a logical system built on a few ideas: electronegativity, orbital theory, and stability. Every reaction is just a story about electrons trying to find a better home.

Instead of memorizing that a reaction follows "Markovnikov's rule," understand that it's just about forming the most stable carbocation. Once you get that, you can predict what will happen in reactions you've never even seen before. That’s the whole game.

Use Spaced Repetition

Cramming doesn’t work for a subject that builds on itself. If your foundation is weak, everything that comes next feels impossible. The fix is spaced repetition—reviewing material in increasing intervals.

You’re basically resetting the clock on forgetting, right as the memory starts to fade. A topic from day one gets a quick review on day two, then again on day five, and maybe again on day ten. Each time, it takes less effort to bring it back, and the memory gets stronger.

You don't need a complicated app. Just use a calendar or a habit tracker. The important part is forcing yourself to recall the information from scratch. Don't just read your notes. Try to write down everything you know about a topic without looking. It's hard, and it's supposed to be. The effort is what makes it stick.

Use Your Professor

Office hours are the most wasted resource at any university. Your professor is paid to help you. Use them.

But don't show up and say, "I don't get it." Go with a specific question about a problem you've already tried. "I'm stuck on step three of this mechanism. I thought the hydride would shift, but the answer key says it doesn't. Can you show me why?" It proves you've put in the work and lets them give you real help.