Rank the following samples in mass from least to greatest. a) 9 x 1023 S atoms b) 0.5 mol of Cu atoms c) 2 mol of N atoms d) 9 x 1023 Na atoms

What are the major types of a chemical compound

Pegmatites are igneous rocks in which the individual minerals are very large. typically, the minerals are all light-colored quartz, feldspar and muscovite. if you were given a black and white photograph of a pegmatite in a quarry (where the rock has been blasted and broken), what physical properties could you use to identify those three minerals in this hypothetical photo? describe each mineral and the specific diagnostic properties. be specific.

Which is the solubility product expression for caf2(s)?  [ca2+]/[f–]2  [ca2+][f2–]  [ca]+[f]2  [ca2+][f–]2