which unit cell has higher mass
Asked by opbmschool | 27th Jun, 2010, 12:34: PM
CsCl unit cell las one Cs atom and one Cl atom. Cs is present in the body centre and Cl is prpesent on all eight corners.
Mass of unit cell = 133 + 35.5 = 168.5
NaCl unit cell has Cl on all corners and face centres. therefore total number of Cl atoms present = 4. NaCl has Na on all edge cetres and body centre. Tehrefore, it has 4 Na taoms.
So, mass of NaCl unit cell = (4 x 23) + (4 x 35.5) = 234
Answered by | 14th Jul, 2010, 04:28: PM
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