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Early ideas chapter4

Review 4.1 discovery and early ideas of matter; Philosophers and ideas

Greek Philosopher/Scientist ImportanceFinding and ideas on mattertrue discovery Philosopher or Theory
Democritus (philosopher) First person to state that matter had atom orgin atomos. first philosopher to discover or have a theory about the atom. fact: an atom is the smallest particle in matter. Democritus
Artisotle (Philosopher The theory of only 4 elements was "fact" for 2,000 years!! State that there is no empty space State that there is no empty space in an atom. Also that matter had 4 elements only: earth,fire,air, water. Fact:No empty space in the an atom and their are elements Artisotle
John Dalton school teacher Finally!! Corrected and Artisole theory in 19th century opened more space for the real facts to be taken as truth. also came up with Dalton's atomic theory. Changed and improved unstanding of matter and atoms;Propertiesof atoms; Proportion and mass Theory:Atoms can't be broken or destroyed but are rearranged and changed in chemical change. Conservation of mass law explained in layman terms!!( see vocab chapters1-6) definitoion Dalton's atomic theory
Created by: srdrama
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