What do you think is the most difficult IB topic? (Vote form)

Stoichiometry    542    16.04 %
Atomic theory    88    2.61 %
Bonding and structure    358    10.60 %
Periodicity    149    4.41 %
Energetics    276    8.17 %
Kinetics    156    4.62 %
Equilibrium    151    4.47 %
Acids and bases    373    11.04 %
Redox    345    10.21 %
Organic    940    27.83 %

Total votes: 3378

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