An redox reaction (oxidation-reduction) is a type of chemical reaction that involves a transfer of electrons between two substances. An redox reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or loosing an electron. This is the driving force of these reactions. Based on weather a substance looses or gains electrons tells you if it is the oxidizing agent, or reducing agent. To tell if the substance looses or gains electrons we use these oxidation number rules.
http://www.slideshare.net/smartensen/51-b-groups-oxidation-states
If you want more help with these reaction you can visit these sites
http://chemwiki.ucdavis.edu/Analytical_Chemistry/Electrochemistry/Redox_Chemistry/Oxidation-Reduction_Reactions
https://www.khanacademy.org/science/chemistry/oxidation-reduction/redox-oxidation-reduction/v/oxidizing-and-reducing-agents-1
The links you added are very helpful thank you. However, I could of used a little more input from you and how you did with these rules.
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