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What is iron?
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Explanation:
★ IRON :
Iron is a chemical element with symbol Fe and atomic number 26. It is a metal that belongs to the first transition series and group 8 of the periodic table. It is by mass the most common element on Earth, right in front of oxygen, forming much of Earth's outer and inner core.
- Symbol : Fe
- Atomic mass : 55.845 u
- Atomic number : 26
- Electron configuration : [Ar] 3d64s²
- Melting point : 1,538 °C
- Density : 7.874 g/cm³ (near room temperature)
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The iron is a thing which is which and black , it's a metallic element
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