10 Of 2S-Chemistry

10 of 2’s! – Chemistry 1

Atomic Structure

1. Name 2 examples of elements.
2. Name 2 examples of compounds.
3. Name 2 methods of separating mixtures.
4. Name 2 sub-atomic particles found in the nucleus.
5. Name 2 models of the atom.
6. Name 2 scientists that developed the periodic table.
7. Name 2 differences between metals and non-metals.
8. Name 2 properties of group 1 elements.
9. Name 2 properties of group 7 elements.
10. Name 2 properties of group 0 elements.

Bonding and Structure

1. Name 2 examples of bonding.
2. Name 2 substances that bond together during ionic bonding.
3. Name 2 examples of small molecules.
4. Name 2 properties of small molecules.
5. Name 2 properties of ionic compounds.
6. Name 2 examples of giant covalent structures.
7. Name 2 properties of graphite.
8. Name 2 differences between graphite and diamond.
9. Name 2 uses of Nano-particles.
10. Name 2 differences between ionic and covalent bonding.

Chemical Changes

1. Name 2 of least reactive metals.
2. Name 2 of the most reactive metals.
3. Name 2 elements that could be used to extract copper from copper oxide.
4. Name 2 methods of metal extraction.
5. Name 2 of the reactions involved in a Redox reaction.
6. Name 2 products when an acid reacts with a metal.
7. Name 2 products when an acid reacts with a metal oxide.
8. Name 2 differences between an acid and an alkali.
9. Name 2 electrodes in an electrolysis experiment.
10. Name 2 states the electrolyte has to be found in for electrolysis to work.

Energy Changes

1. Name 2 examples of energy changing chemical reactions.
2. Name 2 examples of endothermic reactions.
3. Name 2 examples of exothermic reactions.
4. Name 2 similarities between endothermic and exothermic reactions.
5. Name 2 differences between endothermic and exothermic reactions.

10 of 2’s! – Chemistry 2

Rate and Extent of Chemical Change

1. Name 2 ways of measuring rate of reaction.
2. Name 2 equations for calculating rate of reaction.
3. Name 2 methods of separating mixtures.
4. Name 2 factors that affect the rate of reaction.
5. Name 2 examples of catalysts.
6. Name 2 examples of reversible reactions.
7. Name 2 other factors that affect the rate of reaction.
8. Name 2 outcomes of Le Chatelier’s principle.
9. Name 2 outcomes of changing the activation energy for a reaction.
10. Name 2 conditions that can affect the equilibrium of a chemical reaction.

Organic Chemistry

1. Name 2 elements in a hydrocarbon.
2. Name 2 examples of alkanes.
3. Name 2 fractions found in a fractional distillation column.
4. Name 2 properties of long chain hydrocarbons.
5. Name 2 properties of short chain hydrocarbons.
6. Name 2 products of cracking.
7. Name 2 examples of alkenes.
8. Name 2 differences between alcohols and carboxylic acids.
9. Name 2 products of condensation polymerisation.
10. Name 2 examples of natural polymers.

Chemical Analysis

1. Name 2 pure substances.
2. Name 2 examples of formulations.
3. Name 2 methods of separating mixtures.
4. Name 2 distances measured during chromatography.
5. Name 2 gas tests where a splint is used.
6. Name 2 results of a flame test.
7. Name 2 results of a sodium hydroxide test.
8. Name 2 results of a silver nitrate test.
9. Name 2 advantages of instrumental methods.
10. Name 2 differences between flame tests and flame emission spectroscopy.

Chemistry of the Atmosphere

1. Name 2 examples of gases in the Earth’s current atmosphere.
2. Name 2 examples of gases in the Earth’s early atmosphere.
3. Name 2 locations that removed the abundance of CO₂ in the atmosphere.
4. Name 2 organisms that increased the levels of oxygen.
5. Name 2 examples of greenhouse gases.
6. Name 2 human activities that increased the level of greenhouse gases.
7. Name 2 effects of climate change.
8. Name 2 ways to reduce your carbon footprint.
9. Name 2 examples of atmospheric pollutants.
10. Name 2 effects of atmospheric pollutants.

Using Resources

1. Name 2 uses of the Earth’s resources by humans.
2. Name 2 examples of finite resources.
3. Name 2 differences between potable and pure water.
4. Name 2 conditions that affect the method to produce potable water.
5. Name 2 examples of sterilizing agents.
6. Name 2 processes linked to desalination.
7. Name 2 stages of waste water treatment.
8. Name 2 alternative methods of extracting metals.
9. Name 2 stages of a LCA.
10. Name 2 methods of reducing the number of resources we use.