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Pat when we gical science. Dalton (1808) tried to express theicle of a matter id, an atom in some simple figureszelius (1817) discovered the simple process ofements by letters as we know today.b.GoldSilverCopperMercuryv21WaterSoilSulphurCommon valtOxygenHydrogenCarbonSulphurNitrogen©CPhosphorusCopperLeadWater Carbon dioxideHOALNNitrogenHydrogenOxygenAluminiumCSH2OCO.2Carbon dioxideCarbonSulphur\VaterThe letter or letters with which the name of anpressed in short form is called its symbol. With thebol an atom of an element is denoted, viz. the symbols H, the symbol of oxygen is 0.symbols:​

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