GEOS 306 Midterm: GEOS 306 University of Arizona Geo306 2014 Midterm 1
31 Jan 2019
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Create a hypothetical balanced chemical formula that uses these four elements in roughly the same ratio as they are found in earth: (12 pts) make three spin diagrams that describe the electronic structures. 2- and s of atomic sulfur (s), and the two ionic states, s. 6: (20 pts) enumerate the 7 types of bonding, with a short description and an example of each, (5 pts) suppose the illustrated figures represent closest-packed arrangements of anions. Identify the different locations where cations could be coordinated with 2, 3, 4, 6, or 12 anions. In the position of the cation, write its coordination number. (4 pts) label the packing type for each of the following diagrams: (15 pts) derive the radius-ratio rule parameter (r. Draw a picture and carefully label everything so that your answer can be evaluated properly: (20 pts) spinel, mgal2o4, is an important ccp rock-forming mantle mineral found in earth, mars and meteorites, and probably throughout the universe.
