| http://www.w3.org/ns/prov#value | - atomic theory-2 All atoms of a given element are identical to one another in mass and other properties, but the atoms of one element are different from the atoms of all other elements. ??? ??? ??? Dalton's atomic theory-3 The atoms of one element cannot be changed into atoms of a different element by chemical reactions; atoms are neither created nor destroyed in chemical reactions ??? ??? ??? Dal
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