"Rhodium (chemical symbol, Rh) is a precious metal of atomic number 45 and atomic weight 102.90549 1. It belongs to Groups 8-10 and Periods 5 and 6 of the periodic table 1."
"the K-shell characteristic X-rays of rhodium occur at 20.2 and 22.7 keV and therefore produces photons within the desirable energy range for imaging breast tissue 2"
Expected headings
"Use in medical imaging"