Regents Chemistry Unit 12

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Where does oxidation occur in a voltaic cell?

What happens to the oxidation number of the species that is oxidized?

If the oxidation state of a species changes from 0 before a redox reaction to 2 after the reaction, what happened to it?

What charge do uncombined elements have?

What process can be used to separate highly reactive elements from their compounds?

What process uses an electric current to plate the surface of a less active metal with a more active metal?

What increases in size while a voltaic cell is running?

Table J is the Activity Series that show the activity of metals and nonmetals. For metals, being active means that they are more likely to be