Dalton’s vs. Modern Atomic Theory Comparison Quiz
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Questions and Answers

According to Dalton's Atomic Theory, what are atoms of an element like?

  • Differ in size, mass, and other properties
  • Identical in size, mass, and other properties (correct)
  • Combine in whole-number ratios to form compounds
  • Can be subdivided, created, or destroyed
  • How do atoms of different elements differ according to Modern Atomic Theory?

  • They can be subdivided
  • They differ in mass only
  • They have different chemical properties (correct)
  • They are not composed of atoms
  • Which statement aligns with Dalton's Atomic Theory?

  • Atoms have different chemical properties
  • Atoms have unique average masses for each element
  • Atoms cannot be subdivided, created, or destroyed (correct)
  • Atoms combine in ratios to form compounds
  • What distinguishes the behavior of atoms in ordinary chemical reactions according to Modern Atomic Theory?

    <p>Atoms cannot be subdivided or destroyed in ordinary reactions</p> Signup and view all the answers

    In which theory do atoms of the same element have the same chemical properties?

    <p>Modern Atomic Theory</p> Signup and view all the answers

    What aspect of atoms is unique to each element according to Modern Atomic Theory?

    <p>Chemical properties</p> Signup and view all the answers

    Study Notes

    Dalton's Atomic Theory

    • Atoms of an element are identical and indestructible, meaning they cannot be created, destroyed, or changed into atoms of a different element.
    • Atoms of different elements have different masses and properties.

    Modern Atomic Theory

    • Atoms of different elements differ in their atomic number, which is the number of protons in an atom's nucleus.
    • Atoms of the same element have the same atomic number and chemical properties.
    • In ordinary chemical reactions, atoms do not gain or lose protons, meaning their atomic number remains the same.
    • The unique aspect of atoms that distinguishes one element from another is their atomic number or the number of protons in an atom's nucleus.

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    Description

    This quiz involves matching postulates from Dalton’s Atomic Theory with those from Modern Atomic Theory using different colored highlighters. After matching, you will compare and contrast the postulates based on the matches made. You will need 5 colors for this activity.

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