Atomic Theory

*History of Atomic conjecture- Democritus The surmisal of atoms began with a Greek philosopher called Democritus who lived in the fifth century BC. Democritus was not the front to snap off an atomic system but he produced a much more amplify and systematic view of the animal(prenominal) knowledge domain than his forerunners. He develop a theory of effect that wasnt based on pick up from experiments but on philosophical knowledge and ideas. Democritus claimed that space, or the put down existed. He envisioned that this Void was an infinite space in which moved an infinite number of atoms that made up the somatogenetic world. These atoms, he claimed were eternal and invisible; extremely small that their coat could not be reduced; absolutely full and incompressible, as they have no pores and entirely fill the space they engulf; and homogeneous, the tho difference being shape, arrangement, position and magnitude. Based on this theory of the physical world, Democritus could explain all the changes in the world as changes in motion of atoms, or changes in the counselling they were jammed together. This theory tried to explain the whole of physical science with only the basis of Democritus philosophical ideas. *The Modern Atomic Theory In 1803, British druggist John Dalton developed the first useful atomic theory of matter, transforming Democritus theory into a scientific theory.

He unveiled slightly of the first clues about the confessedly nature of atoms. Dalton studied how quantities of diametrical pieces, when combined make former(a) substances. Eg hydrogen and oxygen m akes water. The main(prenominal) ideas of D! altons atomic theory argon: 1)All matter is made of atoms. Atoms are indivisible and indestructible. 2)All atoms of a given element are equivalent in mass and properties. 3)Compounds are organise by a combination of two or entangle different kinds of atoms. 4)... If you inadequacy to get a full essay, stage it on our website: BestEssayCheap.com

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