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IEVref:113-05-37ID:
Language:enStatus: Standard
Term: chemical element
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Definition: species of atom characterized by its proton number

NOTE 1 Atoms in a chemical element may differ by their neutron numbers, i.e. being different isotopes, e.g. hydrogen and deuterium.

NOTE 2 Substances constituted of the same chemical element may differ by their structure, e.g. graphite, diamond, and fullerene, or oxygen O2 and ozone O3.

NOTE 3 A chemical element cannot be transformed into another chemical element by chemical processes.


Publication date:2011-04
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Internal notes:2017-06-02: Cleanup - Remove Attached Image 113-05-37en.gif
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