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Iron is crucial in many areas of life: it is found in our blood, as well as being used to build bridges.Key facts
- Iron is one of the most common element on Earth.
- Iron is found in living organisms.
- Mars gets its red color from the iron oxide on its surface.
- Iron is commonly used in industry.
Transcript
Iron
Iron is one of the most common elements on Earth.
It's the fourth most abundant element in the Earth's crust, making up roughly 5% of the crust after oxygen, silicon and aluminium.
Pure iron is a silvery metal, though when exposed to oxygen it produces red iron oxide, or rust.
Rust is …
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