In the 1700’s Lavoisier divide the elements into quartet classes. John Dalton suggested that the mass of an atom is the important property. “The chemic elements ar composed of... indivisible particles of matter, called atoms... atoms of the same element are analogous in all respects, particularly weight.” n the 1800’s Doereiner verbalise that some elements had a relative atomic mass, and DeChancourtois do a t...If you want to get a full essay, allege it on our website: OrderEssay.net
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