Atomic Theory Basics

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Questions and Answers

Who is credited with the development of the first atomic theory?

  • Aristotle
  • Democritus (correct)
  • Galileo Galilei
  • Isaac Newton

What is the smallest unit of matter in an atomic theory?

  • Proton
  • Molecule
  • Neutron
  • Atom (correct)

What is the main idea of the atomic theory?

  • Matter is made up of only three elements: earth, air, and water
  • Matter is continuous and cannot be divided
  • Matter is composed of small, indivisible particles called atoms (correct)
  • Matter can change shape but not form

What is the concept that deals with the structure and properties of atoms?

<p>Atomic physics (B)</p> Signup and view all the answers

What is the underlying principle of the atomic theory?

<p>The law of conservation of mass (A)</p> Signup and view all the answers

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