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Inorganic chemistry

Study periodicity, Group 2, Group 7, Period 3 oxides, transition metals and aqueous ion reactions. Sections 3.2.1 to 3.2.3 are AS and first-year A-level content; sections marked A-level only are full A-level content.

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Topics

Objectives

7405

Spec

Chemistry

Subject

AQAA LevelChemistry7405

Topics

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Periodicity

Study Periodicity for AQA A Level Chemistry 7405.

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Group 2, the alkaline earth metals

Study Group 2, the alkaline earth metals for AQA A Level Chemistry 7405.

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Group 7(17), the halogens

Study Group 7(17), the halogens for AQA A Level Chemistry 7405.

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Properties of Period 3 elements and their oxides (A-level only)

Study Properties of Period 3 elements and their oxides (A-level only) for AQA A Level Chemistry 7405.

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Transition metals (A-level only)

Study Transition metals (A-level only) for AQA A Level Chemistry 7405.

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Reactions of ions in aqueous solution (A-level only)

Study Reactions of ions in aqueous solution (A-level only) for AQA A Level Chemistry 7405.

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Sample objectives

What this unit covers

Periodicity: Link block classification to electron configuration.
Periodicity: Explain how proton number determines periodic table position.
Periodicity: Explain the trend in first ionisation energy across Period 3.
Periodicity: Explain the trend in atomic radius across Period 3.
Group 2, the alkaline earth metals: Explain trends in atomic radius and first ionisation energy down Group 2.
Group 2, the alkaline earth metals: Describe reactions of Group 2 metals with oxygen, water and acids.
Group 2, the alkaline earth metals: Explain why barium sulfate can be used in medicine despite barium compounds often being toxic.
Group 2, the alkaline earth metals: Explain uses of magnesium hydroxide and calcium carbonate in neutralising acidity.
Group 7(17), the halogens: Describe tests for halide ions using silver nitrate and ammonia.
Group 7(17), the halogens: Explain the use of chlorine in water treatment.
Group 7(17), the halogens: Describe trends in electronegativity and boiling point down Group 7.
Group 7(17), the halogens: Predict and explain halogen displacement reactions.
Properties of Period 3 elements and their oxides (A-level only): Explain reactions of Period 3 oxides with water.
Properties of Period 3 elements and their oxides (A-level only): Explain melting point trends of Period 3 oxides.
Transition metals (A-level only): Define a transition metal as a d-block element forming at least one ion with an incomplete d subshell.
Transition metals (A-level only): Explain variable oxidation states in transition metals.
Transition metals (A-level only): Explain coordination number in complex ions.
Transition metals (A-level only): Define ligand and coordinate bond.
Transition metals (A-level only): Explain redox changes involving transition-metal ions.
Transition metals (A-level only): Interpret colour changes in transition-metal reactions.
Reactions of ions in aqueous solution (A-level only): Describe reactions of aqueous metal ions with sodium hydroxide.
Reactions of ions in aqueous solution (A-level only): Identify carbonate, sulfate and halide ions using appropriate tests.