Relative mass f hydrated copper (ll) sulphate​

Which substances have the lowest melting points: ionic covalent, or metallic

An atom of lithium (li) and an atom of chlorine (cl) engage in a chemical reaction. which correctly describes the structure of the resulting chemical compound? hint: consider the class of each element. the chemical compound will have a network structure. the chemical compound will have triple bonds. the chemical compound will have a ball-and-stick structure. the chemical compound will have double bonds.

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form