Use the Bohr Model to Estimate the K _$\alpha$ X-Ray Wavelength for a Gold Atom (Z = 79)

Multiple Choice

Use the Bohr model to estimate the K _$\alpha$ X-ray wavelength for a gold atom (Z = 79) .

A) 5.13 × 10^-10 m
B) 8.54 × 10^-10 m
C) 2.00 × 10^-11 m
D) 3.60 × 10^-11 m
E) 2.47 × 10^-13 m