3.27 Half equations Flashcards
(1 cards)
1
Q
Half equations
A
The small number is always the same as the 2 larger numbers within the equation and electrons are represented by the symbol ‘e-‘
Cathode:
X^+ + e- -> X, electrons gained, so positive ions are reduced
Anode:
X^- -> e- + X, electrons are lost, so negative ions are oxidised
