26

Fe

Iron
55.845 (2)
Historical Information

Iron was known in prehistoric times. Genesis says that Tubal-Cain, seven generations from Adam. Smelted iron artifacts have been identified from around 3000 B.C. A remarkable iron pillar, dating to about A.D. 400, remains standing today in Delhi, India. This solid pillar is wrought iron and about 7.5 m high by 40 cm in diameter. Corrosion to the pillar has been minimal despite its exposure to the weather since its erection.

Basic Information Shells
  • Name: Iron
  • Symbol: Fe
  • Atomic number: 26
  • Atomic weight:55.845 (2)
  • Standard state: solid at 298 K
  • Group in periodic table: 8
  • Group name:none
  • Period in periodic table: 4
  • Block in periodic table: d-block
  • Classification: Metallic
iron
Uses Trivia
  • alloy steels are carbon steels with other additives such as nickel, chromium, vanadium, etc
  • iron is the cheapest and most abundant, useful, and important of all metals

The pure metal is not often encountered in commerce, but is usually alloyed with carbon or other metals. The pure metal is very reactive chemically, and rapidly corrodes, especially in moist air.