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Unformatted text preview: the two expressions above. a) Superimpose on a single plot E N , E R and E A versus r up to 1.0 nm. b) On the basis of this plot, determine (i) the equilibrium spacing r between the Na + and Cl-ions, and (ii) the magnitude of the bonding energy E 0 between the two ions. 4. Using Table 2.2, determine the number of covalent bonds that are possible for atoms of the following elements: silicon, bromine, nitrogen and sulfur. 5. Show that the atomic packing factor for BCC is 0.68 6. Show that the atomic packing factor for HCP is 0.74 7. Show that the APF for diamond cubic is 0.34...
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This note was uploaded on 05/05/2010 for the course ECE 331 taught by Professor Rajan during the Spring '09 term at Ohio State.
- Spring '09