Radium (Ra) is an example of a chemical element which is not abbreviated based on an ancient name.
A chemical element can be defined as a pure substance that comprise atoms with the same atomic number (number of protons) in its atomic nucleus.
In Chemistry, some examples of a chemical element include the following:
Generally, a chemical symbol is typically used in chemistry to abbreviate an atom of a given element or a chemical element. Also, some chemical elements are not abbreviated based on an ancient name such as Radium (Ra).
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