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States of matter
for IIT-JEE exam
| Question | Answer |
|---|---|
| face centered cubic structure | r= a / 2(sqrt 2) # |
| simple cubic structure | r= a/2# |
| body centered cubic structure | r= (sqrt 3) a/4# |
| Coordination numbers:- fcc:- bcc:- simple cube:- | fcc:- 12 bcc:-8 simple cube:-6 |
| Density of solid | d= Z M/ N a^3 |