Oxidation is a reaction where an atom, ion or compound loses an electron. It always happens at the same time as a reduction reaction - where an atom, ion or compound gains an electron. Usually, the element reacts with oxygen in an oxidation reaction, although not always.

Example: Hydrogen + Flourine --> hydrogen flouride. Here the hydrogen is giving electrons to the flourine. The hydrogen is oxidised, the flourine is reduced.

Oil RigEdit

Oxidation Is Loss, Reduction Is Gain (of electrons)

Oxidising or Reducing AgentsEdit

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