A student estimates that 27 students will attend this month's Science Club meeting 34 students attend. What was the
student's percent error?

How many atoms are in 1.4 mil of phosphorus trifluoride (pf3)

In this synthesis reaction what products will form

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.