Anodic Half-Reaction (Copper Dissolution)

The oxidation half-reaction at the anode for copper, where copper atoms lose electrons and enter solution as cupric ions.

$$\text{Cu}\to {\text{Cu}}^{2+}+2e^{-}$$

Variables

Symbol	Meaning	Unit
Cu	Solid copper in the metal lattice	solid
$C{u}^{2+}$	Cupric ion dissolved in water	aqueous
$e^{-}$	Electron freed into the metal path	charge

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Part of The Blueprint of Water