Which has a higher melting point KF or KI?

Why is the melting of ice a physical change ?

How many moles of potassium hydroxide are needed to completely react with 2.94 moles of aluminum sulfate

These traits describe either a chemical or a nuclear reaction. which statements describe a nuclear reaction? check all that apply. involves the loss, gain, or sharing of electrons may involve a change in total mass involve relatively low energy changes occur outside the nucleus involve very high-energy changes involve changes in nuclides when decay occurs