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Course: Class 12 Chemistry (India) > Unit 1
Lesson 5: Calculations involving unit cell dimensionsWorked example - Finding out the unit cell formed from density
In this worked example we figure out how we can calculate the kind of unit cell that is formed by a metal when its density is known.
Created by Shahzad Karim.
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I know this is overly idealised and might not work in the real world, but what if for questions like this, we just determine the geometry of the unit cell by finding out the relationship between the atomic radius and the cell edge length.
if r/a=1/2 then it's a primitive cube
if r/a=sqrt(2)/4 then it's FCC
if r/a=sqrt(3)/4 then it's bcc
instead of going through calculating it using density(1 vote)