TessieZ482718 TessieZ482718

03-11-2022
Chemistry

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The answer I understood to be correct is not correct, please see attached photo

The answer I understood to be correct is not correct please see attached photo class=

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TaylaE303197 TaylaE303197

03-11-2022

• For a face centered cubic (fcc) unit cell , the radius r and edge length/lattice constant (a) is given by :

4r = √2 a ; given that radius = 164pm

∴ 4 * 164pm =√2 a

∴ a = (4*164pm) /√2

= 463.86 pm

≈464 pm

• The lattice constant (a) of a crystal M = 464pm

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