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ccp$bcc are same? is hcp$ fcc are same?


Summary of hcp, ccp (fcc) AND bcc Structures

S .No Properties Hcp Cpp Bcc
1. Arrangement of particles Closely packed Closely packed Not closely packed
2. Volume occupied 74 % 74% 68%
3. Coordination number 12 12` 8
4. Type of packing AB AB AB ABC ABC ——-
5. Malleability Less malleable Malleable Malleable
6. Ductility Ductile Ductile Ductile
7. Examples Mg, Xn, Cd, Ti, V, Cr, Mo Cu, Ag, Au, Ca, Sr, Pt Li, Na, K, Rb, Cs , Fe

Only ccp and fcc are same.  Others hcp, fcc and bcc are  different.


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