History of the Atom Timeline by kaylan and kameron

By kaylan.caines2018
  • 100

    Democritus (400 BC)

    He discovered that an atom was the smallest particle.On an observation and natural curiosity."experiments" he made this discovery.He thought that it had many different shapes and sizes.
    Bennet, LIinda. "What Democritus Thought." Democritus Model. N.p., 2013. Web. 23 Feb. 2015.

  • Dalton (1803)

    He discovered that all matter is made up of atoms,and they are little and not able to be broken apart.The metood he used was exanding on the greek idea of an atom."An atom is a small thing and there are different masses with different properties."He believed it was combined by atomic weight.He also advanced Democritus experiment by saying we had many different atoms out there.
    Bennet, LIinda. "What Democritus Thought." Democritus Model. N.p., 2013. Web. 23 Feb. 2015.