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DIR-SIT : NS Glossary: Atomic number Z

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Term

Atomic number  Z

Description

An integer that expresses the positive charge on the nucleus of an atom and hence defines the position of a chemical element in the periodic table. Z is equal to the number of protons in the nucleus of any atom that belongs to element number Z.

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Created at 31/05/2013 14:34 by NAIR, Deepu
Last modified at 31/05/2013 14:34 by NAIR, Deepu