Page 160 - The Periodic Table Book
P. 160

15
              P    Phosphorus                                                                   15    15     16





             Forms



                                     Deep phosphate mines
                                        make up 80% of  this                                  State: Solid
                                         tiny Pacific island.                                 Discovery: 1669


                                                            Phosphate mining in Nauru            White phosphorus


                                              Apatite
                                                             This is the most
                                                            common form of
                                                             the pure element.           Red phosphorus





                                                                                         This element
                                                                                         remains stable
                                                                                          in water, but
                                                                                         catches fire on
                                                                                        contact with air.

                                                                                             Chunk of violet phosphorus
















             Human skull
                        All bones, including those
                        in the skull, are hardened
                        by calcium phosphate.
                                                                        This purple colour
                                                                        of  the crystals is due
                                                           Tuna
                                                                        to metal impurities.
                        This fish is rich                                This form of  phosphorus
                         in phosphorus.                                   is made in a laboratory by
                                                                           heating red phosphorus.



           Phosphorus was accidently discovered by             substance, which he called phosphorus,
           German alchemist Hennig Brand. In 1669,             meaning “giver of light”. Phosphorus is
           in his quest for the mythical Philosopher’s Stone  the first element to have a discoverer
           (a material some believed could turn any metal      with a recorded name. It is never pure in
           into gold), he boiled a large pot full of urine for   nature, and occurs in different minerals.
    158    days. This produced a mysterious glowing            Phosphorus has several flammable,





   158-159_Phosphorus.indd   158                                                                                 12/12/16   5:40 pm
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