This is a correctly written ionic compound. What is the total +/- charge in the formula unit? Answer with just the number.
Al2O3

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

Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f

How many atomic mass units are equal to 1.672×10−24 g of protons?