AQA Chemistry Core

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SCIENCE MINDMAP CHEMISTRY
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AQA Chemistry Core
1 Atoms
1.1 Nucleus
1.1.1 Protons and Neutrons
1.2 Arrangement in electrons in energy levels.
1.2.1 Chemical properties
1.2.1.1 Chemical equation
1.2.1.2 Shown in periodic table
1.3 Bonding
1.3.1 Ionic
1.3.1.1 Metals and non metals
1.3.1.1.1 Metlas lose electons
1.3.1.1.1.1 Positive ions
1.3.1.1.2 Non metals gain electons
1.3.1.1.2.1 Negative ions
1.3.2 Covalent
1.3.2.1 Two non metals
1.3.2.1.1 Share electons
2 Rocks
2.1 Limestone
2.1.1 Calcium carbonate
2.1.2 Thermal decomposition
2.1.2.1 Calcium oxide
2.1.2.1.1 + water
2.1.2.1.1.1 Calcium hydroxide
2.1.2.2 Carbon dioxide
3 Metals
3.1 Extraction
3.1.1 Electrolysis
3.1.1.1 More energy needed
3.1.1.1.1 Expensive
3.1.1.2 Aluminium and titanium
3.1.1.2.1 Low density - do not corrode
3.1.1.3 Copper purified
3.1.2 Reduction with carbon
3.1.2.1 Less reactive than carbon
3.1.3 Unreactive metals
3.1.3.1 Found in earth's crust
3.1.4 Bioleaching
3.1.4.1 Microorganisms
3.1.5 Phytomining
3.1.5.1 Plants
4 Fuels
4.1 reaction with oxygen
4.2 Combustion products
4.2.1 Environmental impact
4.2.1.1 Carbon dioxide
4.2.1.1.1 Global warming
4.2.1.2 Sulphur dioxide
4.2.1.2.1 Acid rain
4.2.1.3 Nitrogen oxide
4.2.1.4 Reduced using biofuels
4.2.1.4.1 Renewable
4.2.1.4.2 Ethanol
4.3 Crude oil
4.3.1 Mixture of different compounds
4.3.1.1 Hydrocarbons
4.3.1.1.1 Alkanes
4.3.1.1.1.1 Saturated
4.3.1.1.1.2 More hydrogen atoms
4.3.1.1.2 Cracking
4.3.1.1.2.1 Heating with steam
4.3.1.1.2.2 Alkanes
4.3.1.1.2.3 Alkenes
4.3.1.1.2.3.1 Unsaturated
4.3.1.1.2.3.1.1 Turn bromine water to colourless
4.3.2 Fractional distillation
4.3.2.1 Evaportating
4.3.2.1.1 Condense at different temperatures
4.3.2.1.1.1 Their boiling points
4.3.2.1.1.1.1 Low boiling points
4.3.2.1.1.1.1.1 less viscous
4.3.2.1.1.1.1.2 burn more
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