Mg-24 is a nonradioactive isotope of magnesium and mg-27 is a radioactive isotope. which of the following is a true statement concerning these two isotopes?

One 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?

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '