Answer:
THE PHYSICAL PROPERTIES OF SMARTPHONES ARE SMARTPHONES CHEMISTRY THATS 84 PERCENT OF ALL OF THE STABLE ELLEMENTS METALS ARE WHAT MAKE SMARTPHONES SO SMART AN AVERAGE SMARTPHONES MAY CONTAIN UP TO 62 DIFFERENT TYPES OF METALS SCANDIUM AND YTTRIUM ARE INCLUDED IN THE RARE EARTH METALS BECAUSE THIER CHEMICAL PROPERTIES ARE SIMILAR TO THOSE OF THE LANTHANIDES.
