Part of 19th century chemist john dalton's atomic theory was that different elements differ in their physical and chemical properties. which substance in an atom determines its chemical properties and allows elements to form chemical bonds? neutrons atomic mass electrons isotopes

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.

Ais a mountain created from eruptions of lava, ash, rocks, and hot gases.

All forces cause motion? true or false