How many non-metallic atoms are present in the compound represented as Al(HSO4)3?

There are 18 non-metallic atoms in the compound.

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.