Atoms And Molecules

ATOMS AND MOLECULE Greek philosophers in the pre-Socratic era first show the feel that matter is not infinitely divisible, and that there describe up invisibly small ultimate particles called pinchs (Greek for unsplittable)that constitute all discernible matter. The stoical philosophers and to some degree Aristotle and his followers opposed this opinion, and the indicate continue sporadically into the early modern era. The idea of atoms became more and more popular in the seventeenth and eighteenth centuries, but internal philosophers could do little more than speculate about them. Chemists began vicariously to search the world of ultimate particles soon after the end of Antoine-Laurent *Lavoisier in 1794. Lavoisiers definition of a chemical element - a chemically irreducible species of matter- provided for the first time a radical for an confirmable approach to atoms, for to each one element powerfulness be though to consist of a characteristic pleasant of irreducible particle.

If the atom of the various elements had truly distinguishable characteristics, such as weight, for example, then that fact ought to be discernible in the combinations of the various elements with each other. And so it was, for the laws of stoichiometry (regularities in the weight proportions in which elements combine with each other) were soon discovered, by Joseph Louis Proust, Jeremias Richter, and others. These laws could only comport been discerned by starting time with the assumption of atoms. An example will make this point clear. degree centigrade and atomic number 8 combi ne in two different ways to make carbonic o! xide and carbonic acid gas. The first has 43 per centum carbon and 57 percent oxygen; the act has 27 percent carbon and 73 percent oxygen by weightIf you want to get a full essay, companionship it on our website: OrderCustomPaper.com

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