Answers: 1
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 02:00
The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?
Answers: 3
Chemistry, 22.06.2019 10:00
Part 1: include important facts found through your research. part 2: include your visual display. include your summary of “the chemistry of water” from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.
Answers: 1
Chemistry, 22.06.2019 19:00
How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy
Answers: 1
Which of the following solutions is the most basic? . a) 0.6m nh3. b) 0.150 m koh. c) 0.100 m ba(oh)...
Mathematics, 17.03.2020 20:32
History, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32
History, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32
Social Studies, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32
History, 17.03.2020 20:32
Mathematics, 17.03.2020 20:32