As atoms gain energy, they move faster and slide past one another more easily. atoms at the surface of the substance overcome attractions to nearby atoms and break free of the surface.
which change of state is taking place?
a. liquid to gas
b. gas to liquid
c. liquid to solid
d. solid to liquid

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.