How many moles of atoms are there in 8.0 g of Mg? and how do you solve the problem?

They are all decomposition reactions.

Ithink is d. physical property

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.