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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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Fochaian Fochaian
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8 years ago
Critique the following statement made by a student looking at a TEM image of dolomite.
"The TEM image shows regular patterns of small dots, large dots, and tiny dots.  The formula for dolomite is CaMg[CO3]2. I think the large dots must be the carbonate groups."
A) The student is incorrect because the image must not be dolomite. Since there are four types of atoms, the TEM for dolomite should have four sizes of dots.
B) The student is probably correct because four atoms will make a larger mark than one atom.
C) The student is probably incorrect because the single metal atoms have a denser arrangement of electrons than the carbonate group.
D) The student is correct.
Textbook 
How Does Earth Work? Physical Geology and the Process of Science

How Does Earth Work? Physical Geology and the Process of Science


Edition: 2nd
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GurshGursh
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7 years ago
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Fochaian Author
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#2
7 years ago
I confirmed your response with a friend of mine, you're smart
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