29 nov 1805 - John Dalton's model

Description:

In 1803,1805 and 1807, John Dalton stated that elements were composed of atoms and element's atoms were identical in mass. Also, he made a atom model which showed atoms as wooden balls that were the smallest things in the existence. With that, he became the father of modern atomic theory

Info:
Porter. Victoria. "Atom Models Timeline". Prezi. Prezi. 9 March 2011. 3 October 2017

Picture:
jujube1999. "Atomic Model Timeline". TimeToast. Timetoast. 2017. 3 October 2017