The crystal structure of an element has fcc lattice. If the edge length of the crystal is 4^{\circ} {\A}, what is the atomic weight (in {\g} {\mol}^{-1} ) of the element, if the density of the crystal is 11.21 {\g} {\cm}^{-3}) ( {\N}_{ {\A}}=6.023 {\X}^{23} {\mol}^{-1})

AP EAPCET 08-Jul-2022 Shift 1 Paper

Section: Chemistry

Question : 141 of 160

Marks: +1, -0

The crystal structure of an element has fcc lattice. If the edge length of the crystal is 4∘A, what is the atomic weight (in gmol−1 ) of the element, if the density of the crystal is 11.21gcm−3)(NA=6.023X23mol−1)

63.5
85.5
108.0
197.0

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