A substance is made up of slow-moving particles that have very little space between them. Based on this information, what can most likely be concluded about this substance?
It is not a gas because its particles do not move continuously
It is a gas because its particles move continuously in a straight line.
It is not a gas because its particles do not have large spaces between them.
It is a gas because its particles move in many different directions.

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.

According to the kinetic-molecular theory, what happens to a liquid when it is transferred from one container to another? the volume and the shape stay the same. the volume increases to fill the new container, but the shape stays the same. the volume stays the same, but the shape changes to fit the new container. the volume and the shape change to fill the new container.

Helium decays to form lithium. which equation correctly describes this decay?