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Chemistry Quiz
Chemistry Quiz
20 questions · Unlimited attempts · Free online practice
Chemistry is the science of matter - its composition, structure, properties, and the reactions by which it transforms. It spans from atomic structure and the periodic table to the...
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All 20 questions in this Chemistry quiz
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What is the chemical symbol for Gold?
- A. Pb
- B. Ag
- C. Au
- D. Gd
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What is the chemical name for common table salt?
- A. Calcium Carbonate
- B. Magnesium Sulfate
- C. Potassium Nitrate
- D. Sodium Chloride
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Which international day is April 22nd?
- A. Environment Day
- B. Water Day
- C. Earth Day
- D. Health Day
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Who develoepeed the Three Laws of Motion?
- A. Newton
- B. Einstein
- C. Pascal
- D. Galileo
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What is the value of 'g' (acceleration due to gravity) on Earth?
- A. 9.8 m/s
- B. 8.9 m/s
- C. 11.5 m/s
- D. 10.2 m/s
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Who is credited with the creation of the first epeeriodic table that successfully predicted the proepeerties of undiscovered elements?
- A. John Dalton
- B. Dmitri Mendeleev
- C. Antoine Lavoisier
- D. Ernest Rutherford
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What is the term for a sepeecies that is at risk of extinction?
- A. Invasive
- B. Endangered
- C. Endemic
- D. Common
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Which element has the atomic number 1?
- A. Carbon
- B. Oxygen
- C. Hydrogen
- D. Helium
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Which triatomic molecule, found high in the Earth's atmosphere, protects the planet by absorbing most of the Sun's harmful ultraviolet radiation?
- A. O2 (Dioxygen)
- B. O3 (Ozone)
- C. CO2
- D. N2
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What is the atomic number of an element based upon?
- A. The number of neutrons
- B. The number of protons
- C. The total mass of the atom
- D. The number of electrons in the outer shell
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What is the chemical molecule of heredity?
- A. ATP
- B. DNA
- C. RNA
- D. Protein
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Which rock is formed from the transformation of existing rock?
- A. Sedimentary
- B. Metamorphic
- C. Igneous
- D. Lava
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What is the energy of motion called?
- A. Kinetic
- B. Latent
- C. Potential
- D. Static
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What is the chemical formula for Ozone?
- A. O4
- B. O2
- C. O
- D. O3
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What is the chemical symbol for Silver?
- A. Sr
- B. Si
- C. Au
- D. Ag
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What is the term for a chemical bond formed by the electrostatic attraction between oppositely charged ions?
- A. Covalent Bond
- B. Metallic Bond
- C. Ionic Bond
- D. Hydrogen Bond
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What is the 'Three Rs' of environment?
- A. Reduce/Reuse/Recycle
- B. Read/Write/Arithmetic
- C. Rain/River/Rock
- D. Run/Race/Ride
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Which fundamental law of chemistry states that mass is neither created nor destroyed in a chemical reaction?
- A. Law of Definite Proportions
- B. Law of Multiple Proportions
- C. Law of Conservation of Mass
- D. Avogadro's Law
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Which instrument measures wind direction?
- A. Rain gauge
- B. Weather vane
- C. Barometer
- D. Anemometer
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Who proposed the first modern atomic theory in the early 1800s, suggesting that all matter is composed of small, indivisible particles called atoms?
- A. J.J. Thomson
- B. John Dalton
- C. Ernest Rutherford
- D. Niels Bohr