Answer :
The edge length of a unit cell of the Barium metal is; 3.01cm
Density, Mass and Volume
The mass number of one mole of barium metal is; 137 g.
On this note, the volume of a unit cell of Bromine metal can be obtained from the relation;
- Volume = Mass/density = 137/3.5 = 27.4 cm³.
On this note, the edge length of a unit cell can be evaluated as follows;
- Volume = length³
- Length = ³√27.4
- Length = 3.01cm
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