Iron is a chemical with symbol be and atomic number 26. It Is by mass the most common element on earth, forming much of earth's outer and inner core.

•1200 BC
•55.845 +0.002  u
• 26 Newton , 30 electrons and 26 protons
•transition metal
Known since anicent times
•oxidation states +3,+2
As the iron becomes it's melting point rises and it becomes pasty

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