litium , beryllium , skandium , vanadin , mangan , kobolt , gallium , germanium , arsenik , rubidium , strontium , yttrium , zirkonium , niob , molybden , teknetium , rutenium , rodium , palladium , silver , indium , tenn , antimon , tellur , cesium , barium , lutetium , hafnium , tantal , volfram , rhenium , osmium , iridium , platina , guld , tallium , vismut , polonium , francium , radium , lawrenciu , lantanoiderna :