History Of The Atom Quiz Questions And Answers

30 Questions | Total Attempts: 4434

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History Of The Atom Quiz Questions And Answers - Quiz

Atom is the smallest unit of matter. All the matter in the universe is made of atoms. This quiz is based on the history of atoms that will help you enhance of understanding of atoms and increase your conceptual understanding of basic chemistry. This is a quiz about the theories involving the atom. It also includes counting atoms vocabulary. The quiz contains questions ranging from easy, medium, to hard levels. Attempt this quiz to gain mastery over the topic. All the best!


Questions and Answers
  • 1. 
    ________ said that everything in the universe is made up of tiny particles called atoms?
    • A. 

      Democritis

    • B. 

      Dalton

    • C. 

      Copernicus

    • D. 

      Aristotle

  • 2. 
    Dalton reintroduced the concept of the atom and created _______ which was the basic concept of the molecule.
    • A. 

      Dalton's Molecular Theory

    • B. 

      Dalton's Atomic Theory

    • C. 

      Modern Atomic Theory

    • D. 

      New Atomic  Theory

  • 3. 
    JJ Thompson's discoverd what? 
    • A. 

      Electron

    • B. 

      Nucleus

    • C. 

      Proton

    • D. 

      Neutrons

  • 4. 
    Aristotle said that everything is divided into four _____________.
    • A. 

      Molecules

    • B. 

      Elements

    • C. 

      Protons

    • D. 

      Hygrometer

  • 5. 
    Leeuwenhoek invented what?
    • A. 

      Microscope

    • B. 

      Telescope

    • C. 

      A theory

    • D. 

      Cell

  • 6. 
    Copernicus says that ____________________.
    • A. 

      Sun revolves around the Earth

    • B. 

      Earth revolves aroud the sun

    • C. 

      Protons are inside the nucleus

    • D. 

      Electron

  • 7. 
    Proust was involved with the ________________.
    • A. 

      Law of Definite Proportion

    • B. 

      Law of Conservation of Mass

    • C. 

      Law of Multiple Porportion

    • D. 

      Law of conservation of energy

  • 8. 
    Roentgen defined what?
    • A. 

      Radioactivity

    • B. 

      Proton

    • C. 

      Radium

    • D. 

      Electron

  • 9. 
    Bohr's solar system model involved the electrons having (a) ____________.
    • A. 

      Fixed orbit

    • B. 

      Changing orbit

    • C. 

      No orbit

    • D. 

      None of the above

  • 10. 
    Milliken said that electron has
    • A. 

      No charge and a large mass

    • B. 

      A charge and a large mass

    • C. 

      A charge and a small mass

    • D. 

      A positive charge always

  • 11. 
    Ptolemy says the sun revolves around the Earth.
    • A. 

      True

    • B. 

      False

  • 12. 
    Galileo invented the Modern Atomic Theory.
    • A. 

      True

    • B. 

      False

  • 13. 
    The Curie's isolated radium and showed the harmful effects of radiation.
    • A. 

      True

    • B. 

      False

  • 14. 
    Ruthorford said that the electrons circle the nucleus with a fixed orbit.
    • A. 

      True

    • B. 

      False

  • 15. 
    Goldstein discovered the proton.
    • A. 

      True

    • B. 

      False

  • 16. 
    Chadwick discovered the electron
    • A. 

      True

    • B. 

      False

  • 17. 
    What is Avagadro's number?
    • A. 

      6.02 x 10^23

    • B. 

      6.02 x 10^11

    • C. 

      4.06 x 10^21

    • D. 

      6.02 x 10^25

  • 18. 
    __________ is a standard number of chemical units such as atoms, molecules, ions and electrons
    • A. 

      Mole

    • B. 

      Atomic mass

    • C. 

      Atomic number

    • D. 

      None of the above

  • 19. 
    Einstein's Theory of ______ involved E = MC^2
    • A. 

      Relativity

    • B. 

      Time

    • C. 

      Force

    • D. 

      None of the above

  • 20. 
    _____________ says that matter cannot be created or destroyed by ordinary means 
    • A. 

      Law of Conservation of Mass

    • B. 

      Law of conservation of energy

    • C. 

      Second law of motion

    • D. 

      None of the above

  • 21. 
    What does the E, M, and C mean in E = MC^2?
    • A. 

      E= Energy M= Mass C=Speed of light

    • B. 

      E=Electron M= Mass C= Speed of light

    • C. 

      E= Energy M= Mole C= Speed of light

    • D. 

      None of the above

  • 22. 
    Nuclear fission involves
    • A. 

      Splitting atoms

    • B. 

      Joining atoms

    • C. 

      Scattering atoms

    • D. 

      None of the above

  • 23. 
    Atomic Mass Unit (amu) is equal to how much of a carbon-12 atom?
    • A. 

      1/12 mass

    • B. 

      1/16 mass

    • C. 

      1/12 mass

    • D. 

      1/18 mass

  • 24. 
    Nuclear fusion involves
    • A. 

      Joining of atoms

    • B. 

      Scattering of atoms

    • C. 

      Splitting of atoms

    • D. 

      None of the above

  • 25. 
    What is an angstrom?
    • A. 

      10^-16 cm

    • B. 

      6^-12 cm

    • C. 

      10^-18 cm

    • D. 

      None of the above

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