Unleash Your Inner Chemist
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Questions and Answers

Which is the most fundamental unit of matter?

  • Black holes
  • Sand particles
  • Molecules
  • Atoms (correct)

    • What is the size of an atom?

  • 100 to 500 nanometers
  • 10 to 50 nanometers
  • 0.1 to 0.5 nanometers (correct)
  • 1 to 5 nanometers

    • What are the compounds formed in a chemical reaction called?

  • Atoms
  • Molecules
  • Reactants
  • Products (correct)

    • Which law states that matter can neither be created nor destroyed in a chemical reaction?

    <p>Law of Conservation of Mass</p> Signup and view all the answers

    What is a pure chemical compound containing the same elements combined together in a fixed proportion called?

    <p>Law of Constant Proportions</p> Signup and view all the answers

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