Pennies made after 1982 are made primarily of one element coated with a thin layer of copper that gives it the
appearance of pure copper. Use the evidence from your
experimental results and the table of densities to identify
which element might make up most of a penny.

Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.