Page 62 - The Periodic Table Book
P. 62

26
             Fe     Iron


                                                                                   26    26    30  State: Solid
                                                                                                   Discovery: c. 3500 bce
             Forms


                                                               Spinach leaves provide not
                                                               only iron but other important
                                                                elements, such as potassium,
                                 Pyrite
                                                                 calcium, and manganese.
                                                          Cube-shaped
                                                          crystal



                                                          This mineral is a
                                                          compound of  iron    Spinach leaves
                                                          and sulfur.

                                                                        Pure iron is a
                                                                       brittle metal that
                                                                      can shatter easily.
                                                            Iron
                                                       is the most
                                                       common
                         Iron meteorite                on our planet.
                                                         metal

             Solid lump
            of  pure iron




                                                          Chunk of pure iron refined in a laboratory








              Blood contains almost
               70% of  the iron in the
                    human body.





                        Blood sample



           Most of the iron on our planet is locked away  pure iron in a process called smelting. Iron-rich
           in Earth’s hot, molten core. This element is        meteorites – chunks of rock from outer space
           widely found in rocks worldwide, and almost         that crash to Earth – are one of very few sources
           2.5 billion tonnes of iron is purified every year.   of naturally pure iron. The human body uses iron
           Mineral ores rich in iron include pyrite. Other     to make haemoglobin, a substance in blood that
    60     ores, including haematite, are used to extract      carries oxygen around our body (oxygen helps





   060-061_Iron.indd   60                                                                                        12/12/16   5:37 pm
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