File:Ionization energy of alkali metals and alkaline earth metals.svg

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Summary

Description	English: as requested at WP:GL/I
Date	7 October 2012, 23:52:18
Source	Own work
Author	DePiep

from http://radchem.nevada.edu/classes/rdch710/files/transactinide.pdf (p 1730)

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Alkali metal

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