Film info
Film summary
Learn about the most abundant metal in the Earth's crust.Key facts
- Aluminium is the most abundant metal in the Earth's crust.
- Aluminium is highly reactive.
- Aluminium alloys are strong and lightweight, making them ideal building materials.
Transcript
Aluminium
Aluminium is the most abundant metal in the Earth’s crust, but because of its high reactivity, it does not occur naturally in its pure form.
Instead, it is found combined with other elements, in compounds like alum, alumina and gibbsite.
Alum = potassium aluminium sulfate
Alumina = aluminium oxide
Gibbsite …
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