Zusammenfassung der Ressource
AQA Chemistry [C1] Part 1
- Atoms
- Nucleus
- Protons and Neutrons
- Arrangement in electrons in energy levels.
- Chemical properties
- Chemical equation
- Shown in periodic table
- Bonding
- Ionic
- Metals and non metals
- Metlas lose electons
- Positive ions
- Non metals gain electons
- Negative ions
- Covalent
- Two non metals
- Share electons
- Rocks
- Limestone
- Calcium carbonate
- Thermal decomposition
- Calcium oxide
- + water
- Calcium hydroxide
- Carbon dioxide
- Metals
- Extraction
- Electrolysis
- More energy needed
- Expensive
- Aluminium and titanium
- Low density - do not corrode
- Copper purified
- Reduction with carbon
- Less reactive than carbon
- Unreactive metals
- Found in earth's crust
- Bioleaching
- Microorganisms
- Phytomining
- Plants
- Fuels
- reaction with oxygen
- Combustion products
- Environmental impact
- Carbon dioxide
- Global warming
- Sulphur dioxide
- Acid rain
- Nitrogen oxide
- Reduced using biofuels
- Renewable
- Ethanol
- Crude oil
- Mixture of different compounds
- Hydrocarbons
- Alkanes
- Saturated
- More hydrogen atoms
- Cracking
- Heating with steam
- Alkanes
- Alkenes
- Unsaturated
- Turn bromine water to colourless
- Fractional distillation
- Evaportating
- Condense at different temperatures
- Their boiling points
- Low boiling points
- less viscous
- burn more