2 x 1020 formula units of NaCl =
}

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.

What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6