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Radhika Maraj
Asked: 2022-11-05T22:27:24+05:30 In:

An element occurs in BCC with edge length 300 pm. The density of solid is `”7.2 g cm”^(-3)`. Find out
(a)Number of atoms in foil of `27 cm^2` area and 1 cm thickness.
(b)Number of unit cells in the foil .
(c )Number of atoms in a foil of 100 g.

An element occurs in BCC with edge length 300 pm. The density of solid is `”7.2 g cm”^(-3)`. Find out
(a)Number of atoms in foil of `27 cm^2` area and 1 cm thickness.
(b)Number of unit cells in the foil .
(c )Number of atoms in a foil of 100 g.
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1 Answer

  1. (a)`2xx10^24` atoms , (b)`1xx10^24` unit cells , (c ) `1.02xx10^24` atoms

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