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Geology 101 - Midterm - Winter 2007_

Geology 101 - Midterm - Winter 2007_ - @4537 ml E58 101...

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Unformatted text preview: @4537 ml E58 101 Midterm Winter 2007 Name Stadent#: VERSION B Provide the best answer for the following multiple—choice questions. There are 49 regular test questions and five bonus questions. The bonus questions can only help your score. Circle the correct answer on your test paper and hand it in along with your scamron form. The figure on the left shows the olivine mineral structure. Answer questions l~2 about the olivine . mineral structure. l. The Silicon (Si): Oxygen (0) ratio in the olivine crystal structure is _____________. ’ 12.5 c (a) 12.75 e. 1:2 2. Valencies within the silicate tenahedra of the olivine structure are satisfied ._.._-__.___~. by covalent bends be ecu d. all of the above answers are correct e. none of the above answers are correct 3. Van der waal bonds form _ _. ,3?” on are transferred when electrons at ”between atoms with valencies , when electrons are loosely held and move betWecn atoms e. none of the above are correct answers 4. Why do the large Jovian planets have molecular hydrogen in their aunospheres, but the smaller terrestrial planets , . gengascanco , ; a _ Vb. terrestrial planets have a latg component of molecular hydrogen in their interiors. c. The Jovian planets do not have molecular hydrogen in their respective atmospheres. d. all of the above answers are correct. e. none of the above answers are correct 5. Metallic bonds form . ,. /d( when electrons are transferred between atoms with valenices. )1 when electrons are preferentially aligned to one side of an atom resulting in a weak negative charge ,e.‘ when electrons are shared between atoms with valencies 6' d. when electrons are 1003er held and move between atoms e. none of the above are correct answers ...
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