Chemistry, 17.12.2020 19:50 ArelysMarie
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Students in a science lab conducted an investigation. Students recorded the following observations.
Which of the substances produced a chemical change?
Substances 1 and 2
Substances 1 and 3
Substances 1 and 4
Substances 2 and 3
Answers: 2
Chemistry, 22.06.2019 04:30
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
Answers: 1
Chemistry, 22.06.2019 12:30
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
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Students in a science lab conducted an investigation. Students recorded the following observation...
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