The Element Iron

The Element branding weight-lift Iron comes from the Latin intelligence agency ferrum. From ferrum its symbolic representation became Fe. The nuclear number of weightlift is 26, and its atomic weight is 55.845. Iron is a magnetized, bendable, shiny white metallic-looking element. Pure atomic number 26 has a badness that ranges from 4 to 5. It is soft and ductile. Iron notify be soft magnetized at ordinary temperatures and at 790?C the magnetic property disappears. Pure compact melts at about 1535?C, boils at 2750?C, and has a specific gravity of 7.86. Chemically, iron is an active metal. When receptive to humid air, iron forms a reddish-brown, flaky, downslope know as rust.

Iron is the fourth most coarse element in the Earth?s crust. Because it is so common, iron has been used by human society for thousands of years. Iron was known and used for weapons in prehistoric ages, the earliest example salve in globe; a group of rusty iron beads put in in Egypt, dates from about 4000BC. This period in history was disposed the name Iron Age because it was the time...If you lack to get a full essay, order it on our website: BestEssayCheap.com

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