AP Chemistry Chapter 2 Quiz (Part 1)

11 Questions | Total Attempts: 396

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AP Chemistry Quizzes & Trivia

This quiz covers sections 2. 1-2. 5 in Chapter 2: Atoms, Molecules, and Ions in the textbook.


Questions and Answers
  • 1. 
    Who first used the term "atom" to describe small, invisible particles?
    • A. 

      Boyle

    • B. 

      Lavoisier

    • C. 

      Democritus

    • D. 

      Bauer

  • 2. 
    Who verified a law that suggested mass is neither created nor destroyed?
    • A. 

      Dalton

    • B. 

      Lavoisier

    • C. 

      Stahl

    • D. 

      Bauer

  • 3. 
    The principle of the constant composition of compounds is called what?
    • A. 

      Law of conservation of mass

    • B. 

      Law of definite proportions

    • C. 

      Law of conservation of energy

    • D. 

      Law of multiple proportions

  • 4. 
    When two elements form a series of compounds, the ratios of masses of the second element that combine with 1 gram of the first element can always be reduced to small whole numbers is called ____________?
    • A. 

      Law of definite proportions

    • B. 

      Law of conservation of mass

    • C. 

      Law of multiple proportions

    • D. 

      Law of conservation of energy

  • 5. 
    Which is NOT part of Dalton's Atomic Theory?
    • A. 

      Each element is made up of tiny particles called atoms

    • B. 

      The atoms of a given element are identical; the atoms of different elements are different in some fundamental way or ways.

    • C. 

      Mass of atoms is neither created nor destroyed

    • D. 

      Chemical compounds are formed when atoms of different elements combine with each other. A given compound always has the same relative numbers and types of atoms.

  • 6. 
    Negatively charged particles are called ___________.
    • A. 

      Quarks

    • B. 

      Protons

    • C. 

      Neutrons

    • D. 

      Electrons

  • 7. 
    An atom that consists of a diffuse cloud of positive charge with the negative electrons embedded randomly in it is a description of what 20th century model?
    • A. 

      Avagadro's hypothesis

    • B. 

      Atomus

    • C. 

      Oil-drop experiment

    • D. 

      Plum pudding model

  • 8. 
    Which is not a type of radioactive emission?
    • A. 

      Beta

    • B. 

      Atomic

    • C. 

      Gamma

    • D. 

      Alpha

  • 9. 
    Atoms with the same number of protons but different numbers of neutrons are called what?
    • A. 

      Protons

    • B. 

      Radioactivity

    • C. 

      Nuclear atoms

    • D. 

      Isotopes

  • 10. 
    What is the mass number of Fluorine?
    • A. 

      19

    • B. 

      10

    • C. 

      9

    • D. 

      0

  • 11. 
    How many protons are in an atom of Sodium?
    • A. 

      23

    • B. 

      11

    • C. 

      12

    • D. 

      0

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