Lecture 11.11.09

W h a t is t h e f o r m a l c h a r g e o n n a 2 b

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Unformatted text preview: r a t e io n . W h a t is t h e f o r m a l c h a r g e o n N ? A. - 2 B. - 1 C. 0 D. + 1 E. + 2 CQ #3 3 CQ #4 4 R e f e r t o y o u r L e w is s t r u c t u r e f o r t h e n it r a t e io n . H o w m a n y r e s o n a n c e s t r u c t u r e s c o n t r ib u t e t o t h e o v e r a ll s t r u c t u r e ? A. O ne B. T wo C . T h re e D. F our R e f e r t o y o u r L e w is s t r u c t u r e f o r t h e n it r a t e io n . W h a t i s t h e m o le c u la r s h a p e ? A . T r ig o n a l p la n a r B . T r ig o n a l p y r a m id a l C . T e tr a h e d r a l D . T r ig o n a l b ip y r a m id a l CQ #5 5 CQ #6 6 CHEM 1251, Fall 2009 Wednesday, November 11 A s a c e n t r a l a t o m , w h ic h C A N h a v e m o r e t h a n e ig h t e le c t r o n s a s s o c ia t e d w it h it ? A . o xygen B . s u lfu r C . c a rb o n D . n itr o g e n E . b o ro n W h ic h e q u a t io n r e p r e s e n t s t h e la t t ic e e n e r g y o f lit h iu m b r o m id e ? A. Li+(g) + Br-(g) --> LiBr(s) B. LiBr(s) --> Li+(g) +...
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