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10 Cards in this Set

  • Front
  • Back
The study of the interchange of chemical and electrical energy.
The loss of electrons. Since electrons are negative, this will appear as an increase in the charge (e.g., Zn loses two electrons; its charge goes from 0 to +2). Metals are oxidized.
Oxidizing agent (OA):
The species that is reduced and thus causes oxidation.
The gain of electrons. When an element gains electrons, the charge on the element appears to decrease, so we say it has a reduction of charge (e.g., Cl gains one electron and goes from an oxidation number of 0 to -1). Nonmetals are reduced.
Reducing agent (RA):
The species that is oxidized and thus causes reduction.
Oxidation number:
The assigned charge on an atom. You’ve been using these numbers to balance formulas.
An equation that shows either oxidation or reduction alone.
are cells that are connected in series; the potentials add to give a total voltage.
In a galvanic cell, oxidation
occurs at the anode.

an ox!
In a galvanic cell, reduction
occurs at the cathode

red cat!