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Chemistry Basics Quiz

From the periodic table to chemical reactions — test your knowledge of fundamental chemistry concepts!

❓ 20 Questions
⏱ 20s Per Question
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About the Chemistry Basics Quiz

The Chemistry Basics Quiz is a free medium-level Science quiz featuring 20 multiple-choice questions. From the periodic table to chemical reactions — test your knowledge of fundamental chemistry concepts! Each question comes with a 20-second countdown timer and instant explanations after every answer so you can learn as you play. This quiz is completely free on GoKwiz — no account or sign up required.

Chemistry Basics Quiz — Practice Questions

1. What is the chemical symbol for gold?

  1. Au
  2. Gd
  3. Gl
  4. Go

2. What is the most abundant element in the Earth's atmosphere?

  1. Argon
  2. Carbon dioxide
  3. Nitrogen
  4. Oxygen

3. What is the chemical formula for water?

  1. H₂O
  2. H₂O₂
  3. HO
  4. HO₂

4. How many elements are in the periodic table (as of 2024)?

  1. 108
  2. 112
  3. 118
  4. 124

5. What is the pH of pure water?

  1. 5
  2. 6
  3. 7
  4. 8

6. Which element is the lightest on the periodic table?

  1. Helium
  2. Hydrogen
  3. Lithium
  4. Oxygen

7. What type of bond involves the sharing of electrons between atoms?

  1. Covalent bond
  2. Hydrogen bond
  3. Ionic bond
  4. Metallic bond

8. What is the chemical symbol for iron?

  1. Fe
  2. In
  3. Io
  4. Ir

9. What happens during an exothermic chemical reaction?

  1. Heat is absorbed
  2. Heat is released
  3. Light is always produced
  4. No energy change occurs

10. Which gas makes up the 'bubbles' in carbonated drinks?

  1. Carbon dioxide
  2. Carbon monoxide
  3. Nitrogen
  4. Oxygen

11. What is the most electronegative element?

  1. Chlorine
  2. Fluorine
  3. Nitrogen
  4. Oxygen

12. What is a mixture of iron and carbon called?

  1. Brass
  2. Bronze
  3. Pewter
  4. Steel

13. Which scientist developed the first periodic table?

  1. Antoine Lavoisier
  2. Dmitri Mendeleev
  3. Ernest Rutherford
  4. John Dalton

14. What is the chemical formula for table salt?

  1. CaCl₂
  2. KCl
  3. MgCl₂
  4. NaCl

15. What is the hardest natural substance on Earth?

  1. Corundum
  2. Diamond
  3. Quartz
  4. Topaz

16. Which process converts liquid water into water vapour?

  1. Condensation
  2. Evaporation
  3. Precipitation
  4. Sublimation

17. What are the three states of matter?

  1. Liquid, gas, plasma
  2. Solid, liquid, gas
  3. Solid, liquid, plasma
  4. Solid, vapour, gas

18. What is the atomic number of carbon?

  1. 12
  2. 4
  3. 6
  4. 8

19. What is the name of the process by which plants make food using sunlight?

  1. Fermentation
  2. Photosynthesis
  3. Respiration
  4. Transpiration

20. Which noble gas is used in party balloons to make them float?

  1. Argon
  2. Helium
  3. Krypton
  4. Neon

Frequently Asked Questions

How many questions are in the Chemistry Basics Quiz?

This quiz contains 20 questions.

Is this quiz free?

Yes, completely free with no sign up or account required. All quizzes on GoKwiz are free forever.

What category is this quiz?

This quiz is in the Science category. Browse all Science quizzes →

How difficult is this quiz?

This quiz is rated medium difficulty, with a 20-second timer per question.

Can I retake the Chemistry Basics Quiz?

Yes, as many times as you like. Questions and answer options are shuffled every time for a fresh experience. After finishing, you can also retry only the questions you got wrong.

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