Where are nonmetals located in the periodic table? in the middle along the upper left side along the upper right side along the bottom

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.

Which of these conditions most likely produces an unstable isotope?

Which of the following best supports the concept that genetic information is passed on to offspring from both of their parents, not just one?