Chemistry & Elements
1 / 15Discover the building blocks of matter with this chemistry challenge
15 quick questionsNo sign-upFree to playTap an answer below to begin ↓
What is the most abundant element in the universe?
About Chemistry & Elements
Chemistry & Elements is a free general knowledge quiz with 15 multiple-choice questions aimed at mixed difficulty. Discover the building blocks of matter with this chemistry challenge A typical run takes about 7 minutes, hints are always one tap away, and your streak ticks up the first time you finish a game on a given day.
A few sample questions
1. What is the most abundant element in the universe?
Answer: Hydrogen
2. Which element's chemical symbol is 'Fe'?
Answer: Iron
3. What is the only metal that is liquid at standard room temperature?
Answer: Mercury
4. Which gas makes up about 21% of Earth's atmosphere?
Answer: Oxygen
5. What type of chemical bond involves the sharing of electron pairs between atoms?
Answer: Covalent bond
Frequently asked questions
How many questions are in Chemistry & Elements?
Chemistry & Elements has 15 multiple-choice questions. Each one has four answer options and an explanation that appears after you answer, so you learn something even when you miss.
Is Chemistry & Elements free to play?
Yes. The entire SeniorBrainGames catalog — including Chemistry & Elements — is free, with no sign-up required, no time limits, and no ads on top of the game. It also works offline once the page has loaded once.
How long does Chemistry & Elements take?
Most players finish Chemistry & Elements in about 7 minutes. You can pause between questions, replay it as often as you like, and there is no penalty for taking your time — answers are explained after you submit them.
What's a good follow-up after Chemistry & Elements?
If you enjoyed this general knowledge quiz, try the Daily Challenge — five rotating questions, refreshed every 24 hours, that count toward your streak. You can also use the Surprise Me button on the homepage to land on a different game type for variety.
Explore related topics
More General Knowledge
African Wildlife Safari
Journey through Africa's savannas, jungles, and deserts to discover its incredible wildlife.
Ancient African Kingdoms Quiz
Discover the powerful kingdoms and empires of Africa — from the gold of Mali to the churches of Aksum and the walls of Great Zimbabwe.
Ancient Medicine & Healing
Discover how ancient civilizations practiced medicine and healing!
Ancient Phoenicia Quiz
Discover the seafaring Phoenicians — master traders and sailors who gave the world the alphabet and the color purple.
Amazing Animal Adaptations
Discover the incredible ways animals have evolved to survive in their environments.
Try Word Games
Chemistry Vocabulary Quiz
Test your knowledge of chemistry terms, from elements and reactions to laboratory equipment and chemical processes.
Try Memory Games
Atomic Structure Quiz
Protons, neutrons, and electrons! Test your recall of atomic structure and the building blocks of matter.
From our guides
Daily Brain Training for Older Adults
Build a simple daily routine that keeps your mind active.