Answers: 2
Chemistry, 22.06.2019 01:40
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.
Answers: 1
Chemistry, 23.06.2019 07:30
Assume that 13.5 g solid aluminum (al) react with hcl to produce solid aluminum chloride (alcl3) salt and gaseous hydrogen (h2) at standard temperature and pressure.
Answers: 1
Chemistry, 23.06.2019 12:30
All chemicals, even safe chemicals, such as sodium chloride( table salt), are toxic if exposure is high enough. (true or false)
Answers: 2
How many atoms are in the 1.5 moles of tin atoms?
2.5x10^24 atoms
7.5x10^1...
2.5x10^24 atoms
7.5x10^1...
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