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WHAT IS IRON ? |
Iron Iron
is a chemical element with the symbol Fe and atomic number 26. It is a
metal in the first transition series. It is the most common element
forming the planet Earth as a whole, forming much of Earth's outer and
inner core. Wikipedia Symbol: Fe Electron configuration: [Ar] 3d6 4s2 Melting point: 1,538 °C Discovered: 5000 BC Atomic number: 26 Atomic mass: 55.845 ± 0.002 u |
