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Name: Iron
Symbol: Fe
Number of Energy Levels: 4
Electrons on the outer energy level: 2
Atomic number: 26
Atomic Mass: 55.845 Amu (Atomic Mass Units)
Protons/Electrons: 26
Neutrons: 30
Density: 7.86 g/cm3
Classification: Transition Metal

Iron | Chemical elements

Iron was discovered and known since ancient times. Its name derives from Latin word "ferrum" which means "iron". Iron has its melting point at 1535.0 째C (1808.15 K, 2795.0 째F) and boiling point at 2750.0 째C (3023.15 K, 4982.0 째F).

Top 10 interesting facts about iron

  1. By mass, iron is the most common element on Earth and the sixth in the universe.
  2. Pure iron is softer than aluminum.
  3. Iron is used in industry in combination with carbon to produce steel.
  4. Iron has four stable naturally occurring isotopes 54-Fe, 56-Fe, 57-Fe, and 5-8Fe. The other isotopes are 52-Fe, 55-Fe, 59-Fe, and 60-Fe.
  5. Iron is created in big and hot stars through a process called silicon burning process.
  6. Mars surface is rich in iron which gives its red color.
  7. Iron production started in Middle Bronze Age.
  8. 95% of all metal produced in the world is iron.
  9. Iron-proteins are present in all living organism.
  10. Significant quantities of iron are found in meat and vegetable but the iron in meat is easily absorbed than the iron in vegetables.

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