A catalyst that has a different phase than the reactants is a(n) . A. exergonic catalyst B. endergonic catalyst C. homogeneous catalyst D. heterogeneous catalyst E. autocatalyst

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.

Density= mass/volume so 5.1 divided by 4.7 is  5.1 / 4.7 =1.08510638298round to the correct number of sig figs

Ibelieve the answer is d. bleachhope my answer has you : )