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March 30, 2017

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Vanadium crystalizes in a body centered cubic lattice (the V atoms occupy only the lattice points) how many V atoms are present in a unit cell?

  • chemistry - ,

    I tried to find a good site for you to read but failed. The statement the problem makes is confusing. While it may be true that the V atoms occupy only the lattice POINTS, it also is true that if it is body centered there must b an atom at the center. There are 8 corner V atoms shared with 8 neighbors; therefore, this counts as (1/8)*8 = 1 atom.
    That + the atom in the center makes 2 V atoms in a unit cell for a bcc.

  • chemistry - ,

    thank you!

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