Page 167 - The Periodic Table Book
P. 167

O


                                                                                                   S

                                                                                                  Se


                                                                                                  Te


                                                                                                  Po

                                                                                                  Lv












           The Oxygen Group








             This group does not include any natural metals. The first two members,

             oxygen (O) and sulfur (S), are non-metals widespread in nature. The
             remaining three natural elements are semi-metals. Only the artificial
             member, livermorium (Lv), is thought to be a metal, but chemists don’t
             really know for sure.























                Atomic structure         Physical properties       Chemical properties           Compounds
              All members have six   The members of this group are   The reactivity of these   These elements can form
            electrons in the outer shell  solids, except oxygen (O), which   elements decreases down   compounds with each other.
            of each atom. This electron   is a gas at room temperature.   the group. Oxygen is always   They all react with carbon (C)
              structure makes these   The density of the elements   involved in the process    to form compounds, some
             elements highly reactive.  increases down the group.    of combustion.           with strong smells.





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