Iron is found both in the blood and in the iron nail. When is iron a chemical element?
| September 28, 2021 | education
In the blood, iron is a chemical element, the center of complex hemoglobin molecules.
In the composition of an iron nail, we are talking about iron as a simple substance with physical properties. The iron of a nail (a simple substance) is made up of atoms of the chemical element ferum (iron).
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