Chemistry

The element niobium has bcc packing with a body-centered cubic unit cell. The volume of the unit cell is 3.59 x 10-26 L. Calculate the density (g/cm3) of the element

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  1. In each cell the number of atoms is:
    1 center
    1/8 of each corner, or 1/8 *8 total atoms=1 atom

    density=mass of 2 atoms Noibium/volume

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