calculate the mass of sodium azide required to decompose and produce 15.367 the number of moles of nitrogen. referred to the periodic table to get the atomic weights

The answer is b metal denting

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.