Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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47.

Barium metal crystallizes in a body centered cubin lattice with barium atoms only at the lattice points. If the density of barium metal is 3.50g/cm^3. What is length of unit cell ?

A: 3.19 x 10 ^-8 cm
B: 4.02 x 10^-8 cm
C: 5.07 x 10^-8cm
D: 6.39 x 10^-8 cm

The answer is: C

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