Modern techniques allow us to produce magnified images of surfaces of elements, revealing the structure of atoms.
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Dalton’s work laid the foundation for understanding atomic structure by introducing the concept of atoms as the fundamental units of elements.
Dalton’s use of symbols for elements helped establish a standardized way to represent elements and their quantities.
Berzilius suggested that the symbols of elements be made from one or two letters of the name of the element.
Dalton used symbols for elements to represent a definite quantity of that element, specifically one atom of that element.