Question: Rubidium (Rb) has a BCC crystal structure. Suppose that the powder XRD analysis of this material results in a diffraction peak for the (321) plane

Rubidium (Rb) has a BCC crystal structure. Suppose that the powder XRD analysis of this material results in a diffraction peak for the (321) plane of Rb at 30.00 (first-order reflection). Use this result to calculate the atomic radius of Rb. The wavelength of the X-ray used is assumed to be 0.1 nm, and refer to the equation below.

Rubidium (Rb) has a BCC crystal structure. Suppose that the powder XRD

Please answer in as much detail as possible.

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