The metallic elements across a period metals are good conductors of ___

The number of medals awarded to the track team during the season.

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.

Ithink that’s it’s b