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Sodium Argento Cynide

                  Or 

Potassium Argento Cynide

Ag - 2e- = Ag²⁺

In physics and chemistry, ionization energy or ionisation energy, denoted Eᵢ, is the minimum amount of energy required to remove the most loosely bound electron, the valence electron, of an isolated neutral gaseous atom or molecule. 

CaO (Quicklime) 

Ag - 2e- = Ag²⁺

Use of AgNO₃ leads to uneven deposition of Ag over the article