Iron

Iron Iron Iron in its pure pull away is soft, malleable and ductile (that can be stretched, drawn or hammered thin without breaking ((Websters Dictionary, 419, 1988)) with a hardness of 4-5. It is tardily magnetized at room temperatures and this property disappears when heated in a higher place 790 degrees Celsius.. Metal put the right way occurs in a free claim in yet a few localities, notably Greenland (Encarta, 1996). 1 of the physical properties of adjure as an ore is its color which can be black, brown or even reddish.

Hematite is the most of the essence(p) entreat ore, commonly occurs as "kidney ore" - so -called because of its shape (Symes, 1988, 56). other ores included goethite, magnetite, siderite, and bog iron (Encarta, 1996). Even though iron is tough and hard it is save easy to work. Iron is a active metal and give combine with halogens, carbon, etc. It has an atomic weight 55.847, its atomic do is 26, its specific gravity is 7.86, its thaw point is 1535 degrees Ce...If you want to bring down a full essay, read it on our website: OrderCustomPaper.com

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