An X-ray diffractometer recorder chart for an element that has either the BCC or the FCC crystal structure showed diffraction peaks at the following 2_ angles: 38.60°, 55.71°, 69.70°, 82.55°, 95.00°, and 107.67°. Wavelength _ of the incoming radiation was 0.15405 nm. (a) Determine the crystal structure of the element. (b) Determine the lattice constant of the element. (c) Identify the element.