Monday 26 March 2012

John Dalton

John Dalton was an English-born scientist who lived between 1766 and 1844. He earnt his living in teaching and giving lectures, and started school around the age of 12. He was a meterologist who switched upon seeing the "applications for chemistry of his ideas about the atmosphere." He was first to suggest the Atomic theory, which proposed the following:
  1. All matter was composed of small, indivisible particles termed "atoms"
  2. Atoms of a given element possess unique characteristics and weight
  3. Three types of atoms exist: simple (elements), compound (simple molecules), and complex (complex molecules).
  "Dalton's theory" can be found in New System of Chemical Philosophy.

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