If an atom with a high electronegativity value bonds with an atom with a low electronegativity value, what impact does the difference in electronegativity value have on the bond?

Calculate the number of molecules present in 0.750 mol of mgo.

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering