Window assignment

Window assignment - Megan Madsen Chem 109 Section 815...

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Megan Madsen Chem 109 Section 815 Sudipta Mukherjee WINDOW ON THE SOLID STATE 1. a. 12 atoms b. The atoms in hexagonal closest packed structure are arranged in the 2D plain as alternating triangles. This means the third layer and lies directly above the first layer 2. a. Polonium is the only element that crystallizes in a simple cubic structure. It’s coordination number is 6. 3. 4. The unit cell is a parallelogram the when placed next to itself will reproduce its’ contents and the entire crystal network A crystalline solid is a solid made up of identical sets of atoms, ions, and or molecules that repeat in a pattern until the end of the solid is reached. 5. √3a=4r √3(296pm)=4r r= 128 pm 6. (1/8 x 8) + (1/2 x 6)= 4 atoms
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Eight atoms on the corners, shared with eight other atoms added to the six atoms on the faces of the cube which are share with two atoms totaling to four total atoms for a face- centered cubic lattice. 7.
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This note was uploaded on 03/27/2008 for the course CHEM 109 taught by Professor Keutsch during the Fall '07 term at Wisconsin.

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Window assignment - Megan Madsen Chem 109 Section 815...

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