Please read question in the photo above i’m not sure if this is chemistry, biology or physics...oops.

Which actions would increase the rate at salt dissolves in water? stir the water? crush the salt? use less water? heat the water? cool the salt

One does not belong why? ice, gold ,wood ,diamond and table salt

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor