Dedile what kind of crystaline solid each element or compound in the table forms, and what kind of force holds the sold together. Then, rank the solids in order of decreasing melting point. That is, select " 1 " next to the solid wath the highest anetuing point, "2" next to the solid weth the next higherit metbng point, and so on. (You may need to use the scrollbar to see all the choices.)