If a molecule loses electrons it is __ and if a molecule gains electrons it is O oxidized; reduced O reduced; oxidized destroyed by the cell; saved by the cell energized; de-energized
The reactions that involve both the oxidation and reduction reactions, are known as Redox reactions. They are commonly found occurring in a cell, like in the extraction of energy from a Glucose molecule or in cellular respiration.
The loss of oxygen atom from a molecule or the gain of one or more electrons in a molecule, is termed as the process of Reduction. Oxidation is the exact opposite of Reduction. The loss of electrons from a molecule, addition of Oxygen atom or loss of Hydrogen atom or an increase in the oxidation number of a molecule, is commonly known as Oxidation.
In case of oxidation, a molecule loses its electron(s) and hence, some amount of energy is also lost and the molecule is oxidized whereas a molecule gains energy in case of reduction.
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