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Iron (Fe): Fun Facts and Information About the Element


What is the symbol? Fe
What is the atomic number? 26
What is the atomic weight?55.845
What is the melting point in Celsius? 1535
What is the boiling point in Celsius? 2750
What is the density (g/cm3)? 7.87
What percent of the earths crust? 5.05
What year was it discovered? ancient
Who discovered the element? Known since ancient times
What group is the element in? 8
What is the electron configuration? [Ar] 3d6 4s2
What is the ionization energy? 7.9024
What element category is it in? Transition Elements

Where is Iron Found?

Iron is a relatively abundant element in the universe. It is found in the sunand many types of stars in considerable quantity. The core of the earth, 2150 miles in radius, is thought to be largely composed of iron with about 10 percent occluded hydrogen. The metal is the fourth most abundant element, by weight that makes up the crust of the earth.

What is Iron Used For?

Iron is a vital constituent of plant and animal life and works as an oxygencarrier in hemoglobin.

Taconite is becoming increasingly important as a commercial ore. The pure metal is not often encountered in commerce, but is usually alloyed with carbon or other metals.