Silver forms a face centered cubic structure. The covalent radius of silver is 126pm. The molar mass of silver is 55.845g/mol. a. What is the volume of one atom of silver in cm3?

The volume of one atom of silver is

Explanation:

We are given:

Atomic radius of silver metal = 126 pm

To calculate the edge length, we use the relation between the radius and edge length for FCC lattice:

Putting values in above equation, we get:

   (Conversion factor:    )

To calculate the volume of cube, we use the equation:

where,

a = edge length of the atom

Hence, the volume of one atom of silver is

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the answer is either b or c