IntroductoryChemistry,2nded,byNivaldoTroChapter5:poundsareformed,pounds,,,orasmolecules,(twoormoretypesofatoms),H2O;sulfuricacid,H2SO4;carbonmonoxide,,tablesalt,NaCl(sodiumchloride),monlyusedtomakeourfoodtastebetter,,,position,(sometimescalledtheLawofDefiniteProportion),,,,poundammoniaisNH3;,thesubscript“1”,elementscanexistasindividualatoms(atomicelements)orasmolecules(molecula
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