A symbol represents the ______ of an element,equal to its _____ mass.
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A symbol represents an atom of an element, equal to its atomic mass.
- One atom and atomic mass are the answer.
- The Symbol for an atom denotes the element by its familiar two-letter symbol, the mass number as a left superscript, the atomic number as a left subscript which is sometimes omitted, and the charge as a right superscript.
- The smallest particle of a chemical element that can exist is known as an atom.
- The atomic mass is the mass of a single atom of an element. The atomic mass of an element is precisely the average mass of the atoms of an element which is measured in atomic mass units.
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