Iron

How is iron extracted?
What is iron called in other languages?
What is the atomic structure of iron?
What are the chemical properties of iron?
What are the physical properties of iron?
What are the uses of iron?
What are the various chemical compounds of iron?
What are the food sources of iron, its metabolism, and uses in the human body?
What are the sources of iron extraction for products in the environment?
What are the uses of iron for human beings in the environment?
How do you test the strength of iron products?
What are the allotropes of iron?
How many isotopes of iron are there?
What are organometallic compounds?
How do you test whether an iron product has the strength to hold the load of a four-storied building before installation?
What are various iron alloys?