Why do all acids chemically behave the same

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

Convert the temperature of dry ice, –77 ∞c, into degrees fahrenheit and kelvin.

Which of the following compounds would be expected to have the strongest ionic bonds? a)the compound that has b)the largest ions with the greatest charge c)the compound that has d)the largest ions with the least charge the compound that has the smallest ions with the greatest charge the compound that has the smallest ions with the least charge