Calculate the average atomic mass of Mg if the naturally occurring isotopes are 24Mg, with an exact atomic mass of 23.98504 amu and a percent abundance of 78.70%, 25Mg, with an exact atomic mass of 24.98584 amu and a percent abundance of 10.13%, and 26Mg, with an exact atomic mass of 25.98259 amu and a percent abundance of 11.17%

Because you ate playdough

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.

The correct answer is weight.