Q. 115.0( 3 Votes )

The edge length o

Answer :


Molecular mass, M = 75g

Edge Length, a= 5 A° = 5 × 10-10 m

Density, d = 2g/cc

To find: Radius of the metal atom, r


Where z = number of atoms present per unit cell

Z = 2

Since the number of atoms is 2, the metal crystallizes in BCC structure.

r = 2.165 A° = 216.5 pm

Therefore the radius of the metal atom is 216.5 pm.

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<span lang="EN-USChemistry - Board Papers