HW1 ChE 350 F11 - ChE 350 Fall 2011 Homework 1 (Due...

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ChE 350 Fall 2011 Homework 1 (Due Tuesday, Sept. 6) Name:________________________ 1 1. The electron configuration of carbon is 1s 2 2s 2 2p 2 . (a) What is the electron configuration of silicon? (b) Explain why the crystal structure of silicon is the same as diamond (i.e., the diamond cubic lattice). [Use illustrations as necessary] 2. On the unit cells shown below, sketch the positions of the atoms in a (a) face centered cubic (fcc), (b) body-centered cubic (bcc) and (c) simple cubit unit cell (a) (b) (c)
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ChE 350 Fall 2011 Homework 1 (Due Tuesday, Sept. 6) Name:________________________ 2 3. On the unit cell below, sketch the atoms in a diamond cubic lattice: 4. Provide in the spaces the coordination numbers for the atoms in an fcc lattice _______, a bcc lattice _______, a simple cubic lattice _____, and a diamond cubic lattice ____ 5. Sketch in the space provided below the unit cell of the hexagonal close packed (hcp) lattice. 6. What is the value of
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This note was uploaded on 12/13/2011 for the course CHE 350 taught by Professor Sanchez during the Spring '08 term at University of Texas.

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HW1 ChE 350 F11 - ChE 350 Fall 2011 Homework 1 (Due...

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