When Mrs. Green describes the physical properties of matter she said that physical properties of matter she said that physical properties often concern changes in state .one physical property that does not decide a change in state is. a)density
b)evaporation
c)freezing
D)melting

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule