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scan0008(2) - Name PAGE 2 2(13 points The K ion has radius...

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Unformatted text preview: Name PAGE 2 2. (13 points) The K+ ion has radius of 1. 33 A The Br"1 ion has radius of 1. 96 A. The radius ratio is 0.679. /'fi7/~T;Cs\\swe were” .34 {Sinafi‘fl Bf WEE? i) the crystal lattice COC‘C $0.th g, / 5-11.!" E Kl; srvcmezr a. Which ion defines: ii) which fills the site(s) DC I). Draw the positi0n(s) of the site(s) identified in a(ii) for the unit cell given below: K11 . 5.. 1' I c. For one of your filled site in the u t cell above draw the axes that defines it s coordination to the lattice. 4 Z d. Is KBr a close packed structure? EXPLAIN Briefly Why or Why not? fi“ 1.; ,7 m” M MGM “ ‘3 “'3‘ m 1.1, sit \I t3! 1:1- ” C115 @3410? 1‘ 1.1101) fifif‘l {Qf 1" _. wt? bogged, 13:, ma {3 . fifmcflfif '15, ofmg‘ i350 Gag (POClC‘m 1; «w ”C1 Q 43(164” M QB Wl—Jl CCln PM \yfina‘xiw U'xvn SEWC E! +15 . 7.? ...
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