As earth scientist's, we'll need a table that acknowledges that many elements can take both positive and negative charge. Sulfur is a good example above, in that we need to consider fully oxidized sulfur (S6+) as we did before, and reduced sulfide sulfur (S2-) as well. On the new table, . . . .


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The first slide of this presentation
The last slide of this presentation
 Railsback's main page about the Earth Scientist's Periodic Table of the Elements and Their Ions
e-mail to Bruce Railsback (
Railsback's main web page
UGA Geology Department web page

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