Alanah's Atom timeline

By Alyce97
  • John Dalton

    John Dalton performed a number of experiments that led him to accept the idea of the Atoms, he found the Atoms which had the same elements are all exactly the same.
  • J.J. Thomson

    J.J. Thomsonhad provided a hint that atoms are made of smaller particles, the particles he found that atoms are had from a positively charged substance with negatively charged electrons scatterd inside.
  • Ernest Rutherford

    Ernest Rutherford had been hard at work on an expriment which involved firing a stream of tiny postive charged particles onto a thin sheet of gold foil this was how he figured that there was a nucleus in the center of the atoms, he also found that an atom's positvely charged particles are contained in the nucleus.
  • Niels Bohr

    Niels Bohr had found that an atoms elections don't stay in one spot but that they orbit around the nucleus like all the planets do with the sun
  • Democritus

    Democritus worked out the you could not cut am Atom into small individual pieces.