Key Terms week 4-adv chem.docx - Key Terms Electrical current Electrode Volt Anode Cathode Corrosion electrolysis Radioactivity Nuclear fission Chain

Key Terms week 4-adv chem.docx - Key Terms Electrical...

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Key Terms Definition Electrical current The flow of electric charge Electrode A conductive surface through which electrons can enter or leave a half- cell in an electrochemical cell Volt A unit of potential difference defined as 1 J/C Anode The electrode in an electrochemical cell at which oxidation occurs; electrons flow away from the anode Cathode The electrode in an electrochemical cell at which reduction occurs; electrons flow towards the cathode Corrosion The gradual, nearly always undesired, oxidation of metals that occurs when they are exposed to oxidizing agents in the environment electrolysis The process in which electrical current drives an otherwise nonspontaneous redox reaction Radioactivity The emission of subatomic particles or high-energy electromagnetic radiation by the unstable nuclei of certain atoms. Nuclear fission The splitting of the nucleus of an atom, resulting in a tremendous
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