History of the Atom Timeline by Aaniyah Cola

By harvey, nicole
  • 450

    Democrtius(430 BC)

    Democrtius(430 BC)
    matter is made up of tiny particles- can it be broken up til nothing is left. called atoms "atoms" because he believed in the atomic theory that atoms could nto be broken it smaller parts-
  • 450

    Aristotle(400BC)

    Aristotle(400BC)
    matter must be made of smaller pieces-
    aristotle.html&ei=hOAPU6OLCsPW2AXfhYCwDg&bvm=bv.61965928,d.b2I&psig=AFQjCNFrrkEIXJWzde32P0oFINseV9c05Q&ust=1393635473973253, Atomictimeline.net. N.p., n.d. Web

  • Dalton

    Dalton
    matter is made of atoms said dalton. atoms are indivisible and indestructible. atoms of elements are identical in mass and in propertied, etc. - Harvey, Nicole C. "Atom Timeline Unit 5 Notes Powerpoint." N.p., n.d. Web

  • Thomson

    Thomson
    discovered electrons. atoms bodies positive charge with a negative charge parts diesperse outwards, model called plum pudding model- Harvey, Nicole C. "Atom Timeline Unit 5 Notes Powerpoint." N.p., n.d. Web , Nye, Bill. "Atoms- Bill Nye Video." Atoms. N.p., n.d. Web

  • Rutherford

    Rutherford
    stated the nucleus has a positive charge- Nye, Bill. "Atoms- Bill Nye Video." Atoms. N.p., n.d. Web, Harvey, Nicole C. "Atom Timeline Unit 5 Notes Powerpoint." N.p., n.d. Web., Killian, Micheal. "Gold Foil Experiment." Http://www.quia.com/jg/2351534list.html. N.p., n.d. Web

  • Bohr

    Bohr
    discovered the location of all the three subatomic particles. discovered also that electrons move in certain paths around the nucleus. outer elements detern=mine elements' chemical property- Harvey, Nicole C. "Atom Timeline Unit 5 Notes Powerpoint." N.p., n.d. Web , Nye, Bill. "Atoms- Bill Nye Video." Atoms. N.p., n.d. WebSa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=D78ou3L9uAvs8M&tbnid=fADReqDTLFMg-M:&ved=0CAQQjB0&url=http://spcpchemroom8.blogspot.com/2010/07.html&ei=hOAPU6OLCsPW2

  • Heisenberg and Strodinger

    Heisenberg and Strodinger
    electron clouds faster electrons move clouds form- electron cloud model- Harvey, Nicole C. "Atom Timeline Unit 5 Notes Powerpoint." N.p., n.d. Web, Nye, Bill. "Atoms- Bill Nye Video." Atoms. N.p., n.d. Web, Sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=D78ou3L9uAvs8M&tbnid=fADReqDTLFMg-M:&ved=0CAQQjB0&url=http://spcpchemroom8.blogspot.com/2010/07.html&ei=hOAPU6OLCsPW2AXfhYCwDg&bvm=bv.61965928,d.b2I&psig=AFQjCNFrrkEIXJWzde32P0oFINseV9c05Q&ust=139