In the 1700’s Lavoisier divide the elements into quadruple classes. John Dalton sugge sted 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 akin in all respects, particularly weight.” n the 1800’s Doereiner verbalize 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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