Is salt an element, a compound, a homogenous mixture, or heterogeneous mixture?

Salt is a compound.
Most salts are ionic compounds, meaning that they are made up of ions rather than molecules.

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.