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AQA Combined Science – Chemistry FT
Paper 1
Atomic Structure and the Periodic Table
2 Lessons
A Simple Model of the Atom, Symbols, Relative Atomic Mass, Electronic Change and Isotopes
The Periodic Table
Bonding, Structure and the Properties of Matter
3 Lessons
Chemical Bonds, Ionic, Covalent and Metallic
How Bonding and Structure are Related to the Properties of Substances
Structure and Bonding of Carbon
Quantitative Chemistry
2 Lessons
Chemical Measurements, Conservation of Mass and the Quantitative Interpretation of Chemical Equations
Use of Amount of Substance in Relation to Masses of Pure Substances
Chemical Changes
3 Lessons
Reactivity of Metals
Reactions of Acids
Electrolysis
Energy Changes
1 Lesson
Exothermic and Endothermic Reactions
Paper 2
The Rate and Extent of Chemical Change
2 Lessons
Rate of Reaction
Reversible Reactions and Dynamic Equilibrium
Organic Chemistry
1 Lesson
Carbon Compounds as Fuels and Feedstock
Chemical Analysis
2 Lessons
Purity, Formulations and Chromatography
Identification of Common Gases
Chemistry of the Atmosphere
3 Lessons
The Composition and Evolution of Earth’s Atmosphere
Carbon Dioxide and Methane as Greenhouse Gases
Common Atmospheric Pollutants and their Sources
Using Resources
2 Lessons
Using the Earth’s Resources and Obtaining Potable Water
Life Cycle Assessment and Recycling
Next Lesson
A Simple Model of the Atom, Symbols, Relative Atomic Mass, Electronic Change and Isotopes
AQA Combined Science – Chemistry FT
Atomic Structure and the Periodic Table
A Simple Model of the Atom, Symbols, Relative Atomic Mass, Electronic Change and Isotopes
1) The diagram below shows an atom of chlorine. Give the mass number of chlorine.
1 Marks
Video Mark Scheme
2) What is the total number of protons in an atom called?
1 Marks
Video Mark Scheme
3) An atom of chlorine has no overall charge. Explain why by referring to sub-atomic particles
2 Marks
Video Mark Scheme
4) Fluorine is in the same group of the periodic table as chlorine. Explain why by referring to their electronic structures
2 Marks
Video Mark Scheme
5) The nuclear model of the atom was adapted from the plum pudding model based on alpha particle scattering experiments. Explain how the findings of the experiments altered the model.
3 Marks
Video Mark Scheme
6) Chlorine can react with calcium to form calcium chloride (CaCl2). How many elements are in this compound?
1 Marks
Video Mark Scheme
7) Calcium chloride is a solid but can be found in a mixture with other liquids. Explain a method to separate the solid calcium chloride from the rest of the mixture
3 Marks
Video Mark Scheme
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