Ancient Atomic Theory and Alchemy Quiz
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Questions and Answers

What was Democritus' atomic theory based on?

  • Experimental evidence
  • Philosophical reasoning (correct)
  • Observation using a microscope
  • Mathematical calculations
  • According to Democritus, how do atoms differ from one another?

  • Mass only
  • Shape only
  • Size only
  • Mass, size and shape (correct)
  • What was the aim of alchemists in their pursuit of the philosopher’s stone?

  • Immortality
  • Transmutation of base metals into gold (correct)
  • Invisibility
  • Flight
  • What significant concept did alchemists contribute to early chemistry?

    <p>Transmutation of Elements</p> Signup and view all the answers

    What did John Dalton propose about atoms?

    <p>They are indivisible particles</p> Signup and view all the answers

    According to Dalton, what do atoms of different elements have?

    <p>Different Masses</p> Signup and view all the answers

    Who is best known for the statement, 'To understand the very large, we must understand the very small'?

    <p>Democritus</p> Signup and view all the answers

    What was the idea of Aristotle on atom?

    <p>The idea of 'qualities' heat, cold, dryness &amp; moisture is combined as basic elements of atom.</p> Signup and view all the answers

    What did Dalton propose about the Conservation of Mass in Chemical reactions?

    <p>Mass is always conserved</p> Signup and view all the answers

    Who proposed the idea of the nucleus in an atom?

    <p>Ernest Rutherford</p> Signup and view all the answers

    What did Rutherford’s gold foil experiment reveal about the atom?

    <p>Atoms are mostly empty space with a small, dense nucleus</p> Signup and view all the answers

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