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(460-361 B.C.)
Greek Philosopher
Hypothesised that all matter is  made up of tiny discrete particles  called atoms which are too small to be seen by naked eyes.
Made By: Haris, Abdul and Omer Jalal

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John Dalton is one of the five scientists who helped to prove the theory of the particle model of matter. 150 years ago John Dalton found out the arrangement of the particles in things. The particles were same looking and were called molecules. He studied on gases and he did a experiment of decomposing water to hydrogen and oxygen and it didn't work.

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1. Born on 21st December 1773.
2.  He discovered over 2000 plant species in his expedition.
3. He discovered the motion in an inorganic matter.
3. He named it the Brownian Motion.
4. He discovered random movement in particles and molecules in the different states of matter.

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the great scientist had an IQ  level of  162,Discovered the dead pollen grains move by observing they were being bombarded by the moving particles.