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IRON 
There is a whole period of time named after this element (Iron Age). Humans have been working with iron for thousands of years. Iron is found all over the Earth and the Universe. You have iron in your computer, your desk, and even your body. When purified, iron is a grayish, shiny metal. It oxidizes easily and the resulting compound is known as rust (iron oxide). Rust is a reddish-brown color. It's technically another transition element and another metal. While you may think of iron as a magnetic metal, not all forms of iron are magnetic.
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