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Past Contests

Chemistry

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Topic 1

Quantitative chemistry (stoichiometry)

64 sub-topics

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Topic 2

Chemical bonding

67 sub-topics

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Topic 3

Acid-base equilibria (buffers)

49 sub-topics

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Topic 4

Environmental and atmospheric chemistry

18 sub-topics

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Topic 5

Organic chemistry (nomenclature and isomerism)

45 sub-topics

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Topic 6

Chemical equilibrium

65 sub-topics

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Topic 7

Redox reactions and electrochemistry

52 sub-topics

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Topic 8

Atomic structure and periodicity

6 sub-topics

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Topic 9

Balancing chemical equations

24 sub-topics

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Topic 10

Thermochemistry: enthalpy and heat calculations

24 sub-topics

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Topic 11

Gas laws and gas calculations

29 sub-topics

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Topic 12

Titrations and acid-base neutralization calculations

17 sub-topics

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Topic 13

Water hardness and softening

3 sub-topics

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Topic 14

Inorganic chemistry

48 sub-topics

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Topic 15

Chemical kinetics

29 sub-topics

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Topic 16

Practical and qualitative chemistry techniques

7 sub-topics

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Topic 17

Industrial chemical processes

2 sub-topics

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Topic 18

Biomolecules and biochemistry

1 sub-topic

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Topic 19

Empirical and molecular formula determination

30 sub-topics

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Topic 20

Solutions, concentration and dilution

32 sub-topics

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Topic 21

Petroleum, fuels and industrial organic chemistry

13 sub-topics

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Topic 22

Carboxylic acids, esters, amides and derivatives

27 sub-topics

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Topic 23

Alcohols and phenols

16 sub-topics

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Topic 24

Natural products and polymers

3 sub-topics

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Topic 25

Organic reaction mechanisms: addition, substitution and elimination

25 sub-topics

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Topic 26

Isomerism and stereochemistry

19 sub-topics

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Topic 27

Isotopes and mass spectrometry

10 sub-topics

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Topic 28

Electron configuration and quantum numbers

24 sub-topics

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Topic 29

Periodic trends: ionization energy, radius and electron affinity

22 sub-topics

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Topic 30

Atomic theory, discoveries and history

12 sub-topics

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Topic 31

Element symbols and names

6 sub-topics

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Topic 32

Classification of elements: metals, metalloids and allotropes

3 sub-topics

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Topic 33

Metallurgy and extraction of metals

7 sub-topics

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Topic 34

Qualitative analysis: precipitates, colours and tests

15 sub-topics

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Topic 35

Periodic groups: alkali metals, halogens and noble gases

4 sub-topics

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Topic 36

Industrial and building-materials chemistry

4 sub-topics

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Topic 37

General inorganic chemistry definitions and concepts

9 sub-topics

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Topic 38

Electrolysis and faraday's laws

12 sub-topics

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Topic 39

Voltaic/galvanic cells and emf

14 sub-topics

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Topic 40

Oxidizing and reducing agents

2 sub-topics

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Topic 41

Everyday and natural redox processes

2 sub-topics

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