12th Class Chemistry Sample Paper Chemistry Sample Test Paper-3

  • question_answer   Chromium metal crystallizes in body centered cubic lattice. The length of the unit cell edge is found to be 28 pm. Calculate the atomic radius of chromium.                                                                                                                             2

    Answer:

                               r = atomic radii  a = length of unit cell.                                                                                                                                                               2                


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