why is iron an elemnt
Iron is the least expensive, most abundant, and most used of all metals. Miscellaneous Iron Facts. 1  Iron is the 4th most abundant element in the Earth's crust.2  The Earth's core is believed to be comprised primarily of iron. 3  Pure iron is chemically reactive and corrodes rapidly, especially in moist air or at elevated temperatures. Iron is found in the sun and other stars. 2  Iron is an essential mineral for health, but too much iron is extremely toxic. 3  Free iron in the blood reacts with peroxides to form free radicals that damage DNA, protein, lipids and other cellular components, leading to illness and sometimes death.
Iron (Fe) is the second most common metal on Earth, and the most widely-used metal. It is element 26, a transition metal in Group 8. Its symbol is Fe, from the Latin word for iron, ferrum.Its atomic number is 26 and its mass number is 55.85.ron (Fe) is the second most common metal on Earth, and the most widely-used metal. It is element 26, a transition metal in Group 8. Its symbol is Fe, from the Latin word for iron, ferrum.