Zusammenfassung der Ressource
Unit three
- Extraction of metals
- heat alone
- unreactive metals found uncombined in the Earth's crust
- silver and gold
- heat with carbon
- electrolysis
- Properties and uses of metals
- high melting point
- conducts heat and electricity
- ductile
- malleable
- electrical wiring
- pots and pans
- cutlery
- construction
- Nuclear chemistry
- alpha
- beta
- gamma
- background radiation
- nuclear equations
- applications
- half-life
- chemical analysis
- Plastics
- fertilisers
- essential elements are nitrogen, phosphorus and potassium (NPK)
- Haber process
- Otswald process