Fluorescent yield as a function of atomic number 1.0 K Fluorescent yield is a number to 0.8 measure the relative effectiveness of X-ray generation. 0.6 0.4 0.2 M p.196 in textbook 0 20 40 60 80 100 Atomic number≥ 15Fluorescent yield as a function of atomic number 15 p.196 in textbook Fluorescent yield is a number to measure the relative effectiveness of X-ray generation