Chemistry, asked by simrankr478, 1 year ago

The density of chromium is 7.2 g/cm3 if the unit cell is cubic with edge length of 289pm, determine the type of the unit cell

Answers

Answered by saramubin786
6
we  know that d= z x m/ a*3 x NA
THEREFORE, 7.2=z x 52 / [289 x 10* -10]*3 x 6.022 x 10*23
z=2.01 therefore, it is BCC[body centered cell ]or ECC[end centered cell]
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