eli5 is blood iron and metal iron the same? what are the differences
In: Biology
Yes and now.
Both contain iron atoms but in the blood, they are a part of a protein called hemoglobin with lots of other atoms, only 0.3% of the protein is iron.
Metalic iron can be just iron atoms but is more usually in combination with some other metal and carbon. We mostly use steel where the cheap variants are around 97% iron, 1% carbon and the rest is other elements.
You can compare it to rust which is what you get when iron react with oxygen and form a metal oxide. The iron of what rusted in in the rust but the propeties are quite diffrent.
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