Early Atomic Theory: Dalton, Thomson, Rutherford and Millikan


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question 1 of 3

Why did Democritus disagree with Aristotle?

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1. Who first coined the term atom, meaning indivisible?

2. Which of the following was the instrument used for the discovery of the electron?

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About This Quiz & Worksheet

The quiz asks you to identify important contributions to the theory of atoms. The questions will ask you to match important thinkers to their theories and ideas, or vice versa.

Quiz & Worksheet Goals

These assessments focus on the following:

  • Rutherford's gold foil experiment
  • Scientist credited with measuring the charge of an atom
  • Instrument used for the discovery of the electron
  • Origin of the term 'atomos'

Skills Practiced

The skill will help you practice the following ideas:

  • Reading comprehension - ensure that you draw the most important information from the related chemistry lesson
  • Information recall - access what you've learned regarding the person who believed matter could be infinitely divided
  • Knowledge application - use your knowledge to identify one of Rutherford's discoveries

Additional Learning

This quiz has a corresponding lesson titled Early Atomic Theory: Dalton, Thomson, Rutherford and Millikan that can help you further review the early atomic theories. The lesson will help you:

  • Recall the different ideas of Democritus and Aristotle
  • Discuss Thomson's important discovery
  • Analyze the contributions of Millikan and Rutherford