Sunday, April 26, 2009

Page 3 - John Dalton's Atomic Theory

<- The first page of Dalton's " A New System of Chemical Philosophy " it shows various atoms and molecules depicted and was published in 1808.



- DALTON HAD 5 MAIN POINTS IN HIS ATOMIC THEORY-

examples of, 1. ) elements are made up of tiny particles called atoms.

2. ) all atoms of a given element are identical.

Although, centuries before Dalton, Democritus suggested the idea of atoms, but Dalton's complete formulation of a consistant theory was a breakthrough.

- He published the atomic theory in 1808, in the book A New System of Chemical Philosophy.