Chemistry, 28.05.2020 23:04 medellincolombia99
Which of the following explains how one of the postulates in John Dalton's atomic theory was later subjected to change? Various scientists found that all atoms of a particular element are identical. Some scientists found that atoms combine in simple whole number ratios to form compounds. Various scientists found that atoms consist of subatomic particles with varying mass and charge. Some scientists found that bonds between atoms are broken, rearranged, or reformed during reactions.
Answers: 3
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, 22.06.2019 12:00
A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?
Answers: 1
Chemistry, 22.06.2019 21:30
If 22.5 of nitrogen at 748 mm hg are compressed to 725 mm hg at constant temperature. what is the new volume?
Answers: 1
Chemistry, 23.06.2019 01:30
If a particle has z = 25 and 23 electrons, what is its charge?
Answers: 2
Which of the following explains how one of the postulates in John Dalton's atomic theory was later s...
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