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12 questions from this quiz
Oxidation or reduction processes
Loss of electrons
Gain of electrons
Na→Na++e−\text{Na} \rightarrow \text{Na}^+ + e^-Na→Na++e−
Cl2+2e−→2Cl−\text{Cl}_2 + 2e^- \rightarrow 2\text{Cl}^-Cl2+2e−→2Cl−
Electrons lost and gained
Only species directly involved
Ions that don't change in a reaction
Write the balanced chemical equation
They are removed
Na+\text{Na}^+Na+ and NO3−\text{NO}_3^-NO3−
Ag++Cl−→AgCl\text{Ag}^+ + \text{Cl}^- \rightarrow \text{AgCl}Ag++Cl−→AgCl
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