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varsha valli g.'s Avatar
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12 Apr 2008 20:42:17 IST
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Urgent, quick reply awaited! - Solid State
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For fluorite structure, it is given that co.no. for Ca is 4 and for F is 8.
How do we rep. the coordination no. for the entire structure?
Is it 4:8 or 8:4?
 
reply soon, urgent
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New kid on the Block

Joined: 8 Feb 2008
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12 Apr 2008 21:02:14 IST
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8:4
Vibhav Agarwal's Avatar

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12 Apr 2008 21:06:52 IST
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No. of Ca+2  ions=4
No. of Fions=8
one Ca ion combines with 2 Fe ions.
So, number of CaF2 ions=4.
joy francis's Avatar

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12 Apr 2008 21:08:14 IST
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8:4..

anion first!!
Ashwini's Avatar

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12 Apr 2008 21:15:17 IST
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yes, its 8:4
varsha valli g.'s Avatar

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12 Apr 2008 21:27:21 IST
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tnx a loooooooooooootttttttttttttttt!!!!!!!!!!!!!!!!!!!!!!!



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