Chemistry, 27.10.2021 03:10 Miguel9825
1. Distinguish between physical and chemical changes. Include examples in your explanations.
2. What are the differences among elements, compounds, and mixtures?
3. Fill in the chart below to identify the properties of shape and volume for each type of matter.
4. Explain how atomic mass and molecular mass are determined
5. Fill in the chart below to identify and describe the parts of an atom.
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 06:20
If i can still dissolve more sugar into the solution at a certain temperature what would i call that solution
Answers: 3
Chemistry, 22.06.2019 17:30
The polymer used for the nonstick surface of cooking utensils is 24.0%c and 76%f by mass. what is the empirical formula of this polymer?
Answers: 2
1. Distinguish between physical and chemical changes. Include examples in your explanations.
2. Wh...
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