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IronFe Electron 1 Electron 2 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 1 Electron 2 Electron 3 Electron 4 Electron 5 Electron 6 Electron 7 Electron 8 Electron 9 Electron 10 Electron 11 Electron 12 Electron 13 Electron 14 Electron 1 Electron 2

Iron is a chemical element with symbol Fe (from Latin:ferrum) and atomic number 26. It is a metal in the first transition series. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.

26 Atomic Number
55.85  u Atomic Mass
1808.15  K Melting Point
3134  K Boiling Point
7.87  g/cm³ Density
1.7  Å Atomic Radius
1.32  Å Covalent Radius
1.83 Electronegativity
7.9  eV First Ionization Energy
14.79 Electron Affinity
4 Number of Shells
2, 8, 14, 2 Electron Shell Occupations
0.45  J/g Specific Heat