Spotlight

The Scientists of the Atomic Theory

  • 400 BCE

    Democritus

    Was the first to use the term "atom". Knew that atoms were indivisible and indestructible.
  • Priestley

    Found oxygen and that air was a mixture of gases.
  • Lavoisier

    Named the elements hydrogen, carbon and oxygen. Found that sulphur was an element. Later found that water was a compound of hydrogen and oxygen.

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