High School Chemistry Quiz
Check your chemistry basics, from elements and bonds to pH, gases, formulas, and Avogadro's number, then see how you score.
About this quiz
Chemistry can feel like a mix of symbols, reactions, numbers, and tiny details that suddenly matter. This quiz brings together classic high school chemistry topics, including elements, atomic numbers, chemical bonds, pH, gases, formulas, and phase changes.
As you work through the questions, you can test what you remember, spot the concepts that still feel sharp, and notice where a quick review might help. At the end, your score gives you a simple snapshot of your chemistry knowledge.
Possible results
⚗️ First Experiment
SCORE RANGE: 0 – 49
Looks like high school chemistry is mostly new territory — and that's completely fine. The periodic table, bonding, and reactions are concepts that take time to click. You've taken the first step by trying.
⚡ Quick challenge: Pick one topic you missed — elements, pH, or states of matter — and read up on it. Then come back and see how much higher you score.
📝 Passing Grade
SCORE RANGE: 50 – 69
Not bad — you've got the core concepts covered. You know your way around the periodic table and can handle the basics. A few trickier questions on bonding and chemical processes kept the top score out of reach.
📖 Did you know? The symbol Na for sodium comes from the Latin natrium — just one of many quirks that make chemistry more interesting when you dig in.
🔬 Lab Regular
SCORE RANGE: 70 – 89
Solid chemistry knowledge — you clearly paid attention in class. You've got elements, formulas, and key processes down. Only a couple of tricky questions stood between you and a perfect score.
🎯 So close: Review the questions you missed and challenge a friend. Bet they can't match your score.
🏆 Chemistry Ace
SCORE RANGE: 90 – 100
Outstanding. From Avogadro's number to sublimation, nothing slipped past you. You've mastered high school chemistry — and you'd probably ace the AP exam too.
🧪 Your move: Share your score and challenge your friends. Fair warning — this quiz doesn't go easy on anyone. Think they can match you?
Quiz questions
What is the chemical symbol for Gold?
What is the atomic number of Carbon?
Which type of chemical bond involves the sharing of electron pairs between atoms?
What is the pH of a neutral solution at 25°C?
Which of the following elements is a noble gas?
What is the process called when a solid converts directly into a gas without passing through a liquid phase?
Which element has the chemical symbol Na?
What is the most abundant gas in Earth's atmosphere?
What is the chemical formula for water?
Avogadro's number is approximately equal to which value?
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