history of the atom by Lexie Guidry & Courtney Dunaway

  • 400

    Democritus

    Democritus
    He discoverede that you're going to get a piece that you can't into halfs anymore and he called them atomos because they are uncutable. He imagined that they came in different sizes and shapes and everything is made of atoms, he theorized and gues from observations and exxperimments to make hisi dicovery. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 25 Feb. 2015. http://worldbookonline.com/student/article?id=ar036320&st=atoms.
  • Thomson

    Thomson
    he discovered that atoms are cutable and that electrons arer part of an atom. he discovered by by studying rates that travled through large metal plates in a vaccuum tube.he thought they looked like blueberry muffins because the electrons are scatterede like blueberries in a muffin. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 25 Feb. 2015. http://worldbookonline.com/student/article?id=ar036320&st=atoms.
  • dalton

    dalton
    He thought that no element has the same atoms but, all around the same weight. Usselman, Melvyn. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 24 Feb. 2015.
  • bohr

    bohr
    Bohr discovered that electrons could only go certain ways in larger orbits around the nucleus. Stanely, Matthew. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 24 Feb. 2015.
  • Rutherford

    Rutherford
    he discovered the theoryof atomic structure & declared that most of the mass of an atoms concentrated in a nucleus. the nucleus is sorounded by traveling electrions at large speeds through the outer region of an atom. he discovered this through experiments that he conducted with gold sheets and patricles. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 25 Feb. 2015. http://worldbookonline.com/student/article?id=ar036320&st=atoms.
  • schrodinger

    schrodinger
    He developed an equation we now call the “Schrodinger equation.” It describes the wavey action of atomic particles. Pesic, Peter. "World Book Online Reference Center | Online Reference Book| Online Encyclopedia." World Book. N.p., n.d. Web. 24 Feb. 2015.