Page 162 - The Periodic Table Book
P. 162

33
             As     Arsenic


                                                                                   33    33    42  State: Solid
                                                                                                   Discovery: c. 1250
       The Nitrogen Group                    Orpiment  These leaves    brake fern  Pure arsenic refined   Metallic
             Forms
                                                                                                       shine
                                                                                     in a laboratory
                                                                    Chinese
                                                       absorb arsenic
                                                       from soil.













                                                                  Until the 1800s,
                                                                  this mineral was
                                                                  powdered for use
                                                                  in paints.



                                                                            This ore is found in
                                                                            hot volcanic springs.  Realgar















             Uses
                                                              When
                        This tip    This poisonous arsenic    heated,
                        is an alloy   compound kills rats.  arsenic doesn’t
                        of  arsenic
                        and lead.                        melt, instead it
             Bullets             Rat poison               turns into          Car battery            The electrodes
                                                             a gas.
                                                                                                     inside this battery
                                                                                                     contain arsenic.



           Arsenic is often called the “king of poisons”.  occurring pure arsenic has a shiny, grey colour.
           Every form of arsenic – either pure or in a         Arsenic compounds are used in making some
           compound – is poisonous to animals. In fact,        rat poisons. The leading use of arsenic today
           arsenic poisons have been used for centuries.       is for strengthening lead. This is done by mixing
           This semi-metal is found in several minerals with   arsenic with lead to create a tough alloy that is
    160    striking colours, including orpiment. Naturally     often used in car batteries.





   160-161_Arsenic_Antimony.indd   160                                                                           12/12/16   5:40 pm
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